Ask Ethan: Is There Any Such Thing As Pure Energy? (2022)

A Higgs boson event as seen in the Compact Muon Solenoid detector at the Large Hadron Collider. This... [+] one high-energy collision illustrates the power of energy conversion, which always exists in the form of particles.

CERN / CMS Collaboration

Energy plays a tremendous role, not only in our technology-rich daily lives, but in fundamental physics as well. The chemical energy stored in gasoline gets converted into kinetic energy that propels our vehicles, while the electrical energy from our power planets gets converted into light, heat and other forms of energy at our homes. But this energy always seems to exist as merely one property of an otherwise independently-existing system. Must it always be so? Alex from Moscow writes in with a question about energy itself:

"Does pure energy [exist], maybe very shortly before turning into a particle or a photon? Or is it just a useful mathematical abstraction, an equivalent that we use in physics?"

At a fundamental level, energy can take on many forms.

The known particles in the Standard Model. These are all the fundamental particles that have been... [+] directly discovered; with the exception of a few of the bosons, all particles have mass.

E. Siegel

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The simplest, most familiar form of energy of all is in terms of mass. You don't normally think in terms of Einstein'sE = mc2, but every physical object that's ever existed in this Universe is made of massive particles, and simply by having mass, these particles have energy. If these particles are moving, they have an additional form of energy as well: kinetic energy, or the energy of motion.

Electron transitions in the hydrogen atom, along with the wavelengths of the resultant photons,... [+] showcase the effect of binding energy.

Wikimedia Commons users Szdori and OrangeDog

Finally, these particles can link together in a variety of ways, forming more complex structures like nuclei, atoms, molecules, cells, organisms, planets and more. This form of energy is known as binding energy, and is actuallynegative in its effect.Itreduces the rest mass of the overall system, which is why nuclear fusion, taking place in the cores of stars, can emit so much light and heat: by converting mass into energy via that same E = mc2. Over the 4.5 billion year history of the Sun, it's lost approximately the mass of Saturn from simply fusing hydrogen into helium.

The Sun, shown here, generates its energy by fusing hydrogen into helium in its core, losing small... [+] amounts of mass in the process. Over its lifetime, it's lost approximately the mass of Saturn by this process.

NASA / Solar Dynamics Observatory (SDO)

The Sun itself gives another example of energy: light and heat, which comes in the form of photons, which are different from the forms of energy we've considered so far. There existmassless particles as well -- particles with no rest energy -- and these particles, like photons, gluons and (hypothetically) gravitons, all move at the speed of light. However, they do carry energy in the form of kinetic energy, and, in the case of gluons, are responsible for the binding energy inside atomic nuclei and protons themselves.

The theory of asymptotic freedom, describing the strength of the quark interactions inside a... [+] nucleus, was worth a Nobel Prize for Wilczek, Politzer and Gross.

Wikimedia Commons user Qashqaiilove

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The fundamental question at hand here is whether energy itself can exist independently of any of these particles. There was a tantalizing possibility that this could be the case in the form of gravitation: for many decades, we had been watching the orbits of binary neutron stars: two collapsed stellar remnants orbiting one another. Thanks to measurements of pulsar timing, where one of the stars sends very regular pulses our way, we were able to detect that these orbits were decaying, and spiraling into one another. As their binding energy went up, there must be some form of energy radiated away. We could detect the effects of the decay, but not the radiated energy itself.

As two neutron stars orbit each other, Einstein's theory of general relativity predicts orbital... [+] decay, and the emission of gravitational radiation.

NASA (L), Max Planck Institute for Radio Astronomy / Michael Kramer

The only way to explain it would be if there were some type of gravitational radiation: we would need gravitational waves to be real. The first detected merger of black holes from LIGO, from the event on September 14, 2015, would put this to the test. On that date, we detected two black holes spiraling into one another, and the direct gravitational waves emitted from that coalescence. The original black holes were of 36 and 29 solar masses; the final, post-merger mass was 62 solar masses.

The vital stats of the black hole merger on September 14, 2015. Note how there are three solar... [+] masses that are lost from the merger, but that energy survives in the form of gravitational radiation.

B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)

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Those missing three solar masses? They were emitted in the form of gravitational waves, and the magnitude of the waves we detected was exactly the amount necessary to make up the amount needed to conserve it, after all. Einstein's E = mc2, and energy being carried as part of some type of particle or physical phenomenon, was confirmed again.

The inspiral and merger of the first pair of black holes ever directly observed.

B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)

Energy comes in a variety of forms, and some of those forms are fundamental. A particle's rest mass energy doesn't change over time, and in fact doesn't change from particle to particle. It's a type of energy that is inherent to everything in the Universe itself. But all the other forms of energy that exist are relative. An atom in an excited state has more energy than an atom in a ground state, and that's due to the difference in binding energy. And if you want to make that transition to the lower-energy state? You have to emit a photon to get there; you cannot make that transition without conserving energy, and that energy needs to be carried by a particle -- even a massless one -- in order to make that happen.

In this illustration, one photon (purple) carries a million times the energy of another (yellow).... [+] Fermi data on two photons from a gamma-ray burst fail to show any travel delay, showing the speed of light's constancy across energy.

NASA/Sonoma State University/Aurore Simonnet

Perhaps an oddity of this is that photon energy, or any form of kinetic energy (i.e., the energy of motion), is that its value is not fundamental, but rather is dependent on the motion of the observer. If you move towards a photon, you'll find its energy appears greater (as its wavelength is blueshifted), and if you move away from it, its energy will be lesser, and it will appear redshifted. Energy is relative, but what's interesting that for any observer, it's always conserved. No matter what the interactions are, energy is never seen to exist on its own, but only as part of a system of particles, whether massive or massless.

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Energy can be converted from one form into another, even from rest mass energy into purely kinetic... [+] energy, but it always exists in the form of particles.

Andrew Deniszczyc, 2017

There is one form of energy, however, that may not need a particle at all: dark energy. The form of energy that causes the expansion of the Universe to accelerate may very well be energy inherent to the fabric of the Universe itself! This interpretation of dark energy is self-consistent and matches the observations of distant, receding galaxies and quasars that we see exactly. The only problem? This form of energy, as far as we can tell, can neither be used to create or destroy particles, nor can it be inter-converted to and from other forms of energy. It seems to be its own entity, disconnected from interacting with the other forms of energy present within the Universe.

Without dark energy, the Universe wouldn't be accelerating. But there's no way to access that energy... [+] via any other particles in the Universe.

NASA & ESA, of possible models of the expanding Universe

So the full answer to the question of whether pure energy exists is:

  • For all of the particles that exist, massive and massless, energy is only one property of them, and cannot exist independently.
  • For all of the situations where energy appears to be lost in a system, such as through gravitational decay, there exists some form of radiation carrying off that energy, leaving it conserved.
  • And that dark energy itself may be the purest form of energy, existing independent of particles, but as far as any effect other than the expansion of the Universe, that energy is inaccessible to everything else in the Universe.

As far as we can tell, energy is not something we can isolate in a laboratory, but only one of many properties that matter, antimatter and radiation all possess. Creating energy independent of particles? It might be something the Universe itself does, but until we learn how to create (or destroy) spacetime itself, we find ourselves unable to make it so.

Send in your Ask Ethan questions to startswithabang at gmail dot com!

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FAQs

Ask Ethan: Is There Any Such Thing As Pure Energy? ›

So the full answer to the question of whether pure energy exists is: For all of the particles that exist, massive and massless, energy is only one property of them, and cannot exist independently.

Is there such thing as pure energy? ›

"Pure energy" doesn't mean anything in physics. Energy can take many forms (mass, kinetic energy, or any of many forms of potential energy), but no one of them is "pure" in any sense, no more so than any other form.

What is the closest thing to pure energy? ›

Light is about the closest anything comes to being pure energy, but it's not pure energy so much as it's one of the several kinds of energy that isn't tied up in matter.

Is the sun pure energy? ›

The difference is, sun-generated energy is a clean and pure energy, unlike energy produced in electric plants, which continue to push huge amounts of pollutants into our environment every year. It's not surprising that someone would eventually find a way to use the sun's energy for more than heating our planet.

Is photon pure energy? ›

As should be obvious, energy is just one of many properties that photons carry. Photons are much more than "pure energy". Photons can exist just fine without having mass since they carry many other properties to make them physically real.

Can humans become energy beings? ›

Ars talks physics and sci-fi "energy beings" - YouTube

Can energy be created? ›

The First Law of Thermodynamics (Conservation) states that energy is always conserved, it cannot be created or destroyed. In essence, energy can be converted from one form into another.

Are we matter or energy? ›

In life, the human body comprises matter and energy. That energy is both electrical (impulses and signals) and chemical (reactions). The same can be said about plants, which are powered by photosynthesis, a process that allows them to generate energy from sunlight.

Does Pure energy have gravity? ›

The general (accidental pun) answer to your question is yes. General Relativity says that any form of energy is a source of gravity. Think of light, which has energy but no rest mass. Imagine a bag of light, traveling all directions so it has no net momentum.

Can humans make matter? ›

So yes, humans can manufacture matter. We can turn light into subatomic particles, but even the best scientists can't create something out of nothing.

Is light pure? ›

light is pure because the light is the simplest electromagnetic construct but the energy of any object is also of the same kind.

Can you have energy without matter? ›

Radio waves, light, and other forms of radiation all have energy, but do not need matter. So yes, you absolutely can have energy without matter, in empty space.

Is energy a thing? ›

Energy is one of the most basic concepts in physics, but also one of the hardest to define. Any physics textbook will tell you energy is the capacity to do work. Then it usually goes on to explain that “work” is the action of moving something against a force.

Why is light not pure energy? ›

To summarise, light is not pure energy, to answer the question. Energy is merely one of the factors that it carries, including frequency, wavelength and even spin. If light were pure energy, we would not be able to see colors since the way we see color is with the difference in frequency of photon wavelength.

Is light just energy? ›

In fact visible 'light' is a form of radiation, which can be defined as an energy that travels in the form of electromagnetic waves. It can also be described as a flow of particle-like 'wave-packets', called photons, that travel constantly at the speed of light (about 300 000 kilometres per second).

Can light be destroyed? ›

6. Photons are easily created and destroyed. Unlike matter, all sorts of things can make or destroy photons. If you're reading this on a computer screen, the backlight is making photons that travel to your eye, where they are absorbed—and destroyed.

What happens to the energy when someone dies? ›

There may be some compacting—holding down of energy—in the heart center, to avoid energetic interaction with people” and that “At the beginning stages of death, the energy field starts to separate. The lower three bodies (layers of the energy field) break up and dissolve.

Are we electrical beings? ›

Electricity is everywhere, even in the human body. Our cells are specialized to conduct electrical currents. Electricity is required for the nervous system to send signals throughout the body and to the brain, making it possible for us to move, think and feel.

Are humans just light? ›

The human body literally glows, emitting a visible light in extremely small quantities at levels that rise and fall with the day, scientists now reveal. Past research has shown that the body emits visible light, 1,000 times less intense than the levels to which our naked eyes are sensitive.

Is time a energy? ›

Time is not directly related to energy itself, but it is definitely related to many aspects of energy. For example, the direction of time (from past to future) can be determined by the flow of energy in the universe. This concept is known as entropy.

Where does energy come from universe? ›

The amount of energy/matter in the universe is constant and derives from the mysterious big bang. Over time, this becomes more and more spread out and less and less useful, even though the actual amount doesn't change. Take the sun as an example.

Where does energy go? ›

That light energy will be absorbed and converted to heat. Then it will radiate out into space as infrared thermal radiation. It will travel in that form for a long time, once it gets out of the Earth's atmosphere. The same thing happens to energy converted to heat by friction in the turbines, etc.

What did Einstein say about energy? ›

Einstein said, “Everything is energy and that's all there is to it. Match the frequency of the reality you want and you cannot help but get that reality. It can be no other way.

Are all things energy? ›

The further quantum physicists peer into the nature of reality, the more evidence they are finding that everything is energy at the most fundamental levels.

Does the future exist? ›

The past and future do not exist and are only concepts used to describe the real, isolated, and changing present. This conventional model presents a number of difficult philosophical problems, and seems difficult to reconcile with currently accepted scientific theories such as the theory of relativity.

Can there be energy without mass? ›

In addition to being a particle, light is also a wave. This allows it to carry momentum, and therefore energy, without having mass.

What type of energy is light? ›

Kinetic energy

Radiant energy is electromagnetic energy that travels in transverse waves. Radiant energy includes visible light, x-rays, gamma rays, and radio waves. Light is one type of radiant energy.

Is light matter or energy? ›

Light is a form of energy, not matter. Matter is made up of atoms. Light is actually electromagnetic radiation. Moving electric charge or moving electrons (electric current) cause a magnetic field, and a changing magnetic field creates an electric current or electric field.

Can you get something from nothing? ›

Something can be created from nothing

And if you define a perfect vacuum in space as nothing, then it seems a compelling presumption that this vacuum could not produce anything. But such a perfect vacuum may not exist. One of the foundations of quantum theory is the Heisenberg uncertainty principle.

How do you turn matter into energy? ›

Matter to energy conversion

Conventional nuclear reactions such as nuclear fission and nuclear fusion convert relatively small amounts of matter only indirectly into useful energy, such as electricity or rocket thrust.

How did the universe begin from nothing? ›

Virtually all astronomers now believe that the universe sprang forth in what is known as the "Big Bang" explosion, from a state of extraordinary compression and phenomenally high temperature in which forces such as gravity and electromagnetism were unified in a single, all-encompassing force.

What created matter? ›

Origins. In the first moments after the Big Bang, the universe was extremely hot and dense. As the universe cooled, conditions became just right to give rise to the building blocks of matter – the quarks and electrons of which we are all made.

Is sound an energy? ›

Sound is a type of energy made by vibrations. When an object vibrates, it causes movement in surrounding air molecules. These molecules bump into the molecules close to them, causing them to vibrate as well.

Is sound a form of energy? ›

Solids, liquids, and gases all transmit sound as energy waves. Sound energy is the result when a force, either sound or pressure, makes an object or substance vibrate. That energy moves through the substance in waves. Those sound waves are called kinetic mechanical energy.

Where does energy come from? ›

The three major categories of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources. Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy.

How does energy exist? ›

It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. There are, moreover, heat and work—i.e., energy in the process of transfer from one body to another. After it has been transferred, energy is always designated according to its nature.

What is the energy made of? ›

Energy is not made of anything, energy is a term used to describe a trait of matter and non-matter fields. When matter has velocity, for example, it is said to have kinetic energy. There are also various forms of potential energy.

What is human energy called? ›

Human power is work or energy that is produced from the human body. It can also refer to the power (rate of work per time) of a human. Power comes primarily from muscles, but body heat is also used to do work like warming shelters, food, or other humans.

What are the 4 types of energy do humans have? ›

Kinetic Energy
  • Radiant Energy.
  • Thermal Energy.
  • Sound Energy.
  • Electrical Energy.
  • Mechanical Energy.
Nov 17, 2021

What are 3 forms of energy? ›

Kinetic, potential, and chemical energy.

Can the universe ever lose or gain energy? ›

No. The local energy density is reduced as the universe expands, but since the universe does expand the total energy can simplistically be thought of as remaining the same. Energy is not lost, but is distributed more sparsely.

What type of energy can you see with your eyes? ›

What is light energy? Light is a visible form of radiant energy that travels in waves. It is the only form of energy that can be seen by the human eye. Aside from the Sun, light energy is given off by other stars, light bulbs, lasers and hot objects.

What is energy deep? ›

Deep geothermal energy is the natural heat found beneath the earth's surface. It comes from the red-hot core of our planet, the friction between rocks and the decay of radioactive elements on the earth's crust.

Is air a form of energy? ›

Among all the energies available, air energy is considered to be one of the most important energies because of its “Renewable “property. The supply of air doesn't come to an end because it is the basic need of any organism on earth to live.

Does light have a sound? ›

Light does not produce sound because it is not a vibration on a material.

Is Slow Glass Real? ›

"Slow glass" is a fictional material in Bob Shaw's short story "Light of Other Days" (Analog, 1966), and several subsequent stories.

Does light go on forever? ›

Light is an electromagnetic wave that doesn't need a medium to propagate. The strength of the wave, however, can get weaker with the distance, but as long as nothing absorbs it, the light keeps on travelling forever.

More than any other of Einstein's equations, E = mc² is the one that most people can name. But what does it all mean?

As Einstein himself put it:. This is the second meaning of the equation, where E = mc 2 tells us exactly how much energy you get from converting mass.. But if you smash them together with enough energy, you’ll get a photon, and electron, and a new matter-antimatter pair of particles out.. The mass you get out comes from the available energy: m = E/c 2 .. Imagine that you’ve got a particle of matter and a particle of antimatter, each with the same rest mass.. Only by generalizing things to include energy, momentum, and gravity can we truly describe the Universe.. Matter has an inherent amount of energy to it, mass can be converted (under the right conditions) to pure energy, and energy can be used to create massive objects that did not exist previously.

Love match compatibility between Cancer man and Virgo woman. Read about the Cancer male love relationship with Virgo female.

It doesn't have to be the end of the world if you handle it promptly and respectfully.. He is always very protective and warm towards every person he loves and especially the lady love of his life.. He in relationship with a Virgo woman always admires her polite attitude towards him and gives her the freedom she needs when she really wants to be alone.. But when she is in a relationship with Cancer man, she is stirred inwardly with his loving nature and is capable of fulfilling his strong need for both sensuality and affection.. A Virgo woman is one mate who is quite sympathetic towards the feelings of a Cancer man making him more expressive.. He finds her easy going and truly understanding.. But what hurts him most is her strong criticism and her interest in outer world to get love.. A Cancer man makes a Virgo woman feel very comfortable because he doesn’t control her totally like other people.. The sensitive nature of the Cancer man brings out the passionate side of the Virgo woman.. Moreover the way he can make a Virgo woman passionate and the way she makes Cancer man expressive is usually not possible for others to do for them.. And there will be times when they will cross paths, in the most unexpected situations.

Love match compatibility between Capricorn woman and Pisces man. Read about the Capricorn female love relationship with Pisces male.

Make the time for it.. A Capricorn woman makes a very steady and sound partner for a Pisces man.. She has faith and respect in her Pisces man and makes him take the charge of their romantic relationship.. If regardless of his need for stability, the family togetherness is overdone, it could create a problem and make him feel uneasy which in turn can make her feel irritated.. They both take things smoothly and without any rush as they understand that everything comes at the right time and in the right order.. This is not an obstacle for the Pisces man seeing how he loves nothing more than for her to feel comfortable.. There are a few things that the pair of Capricorn woman and Pisces man has to take under consideration to keep up their relationship.. On the other hand, the dreamy nature of Pisces male can make her feel insecure about the future, especially related to financial securities.. If these minor things are kept in mind then Pisces man’s and Capricorn woman’s relationship is likely to go well.

Review a collection of stories shared by people with thoughts on angels particularly sightings, experiences, dreams, and memories.

One night I was putting my son to bed and he started telling me that the night before, Jesus brought an angel to him because he was scared.. It was— 1,000 percent—the same angel.. I still think of my angel until this day.—Erica. Well, I had two angels.. Me and my friend both knew that he is either an angel or a man sent by an angel to help us.. I chanced upon this article, and in the story "I Must Have a Male Angel or Guide," the angel asked the man to breathe.. She was barefoot, and she didn't have a smile on her face or anything, I can't even remember what her mouth looked like but she had blue eyes and long black curly hair and she was wearing a long-sleeved yellow dress with flowers on it, her dress almost looked like a nightgown, she was glowing and she had almost like a white beam of light around her.. It soon was obvious that my spirit guide was an angel and not just any angel but the angel Gabriel.. Three times an angel or angels have intervened and saved my life.. One of the first things she said to my friend was, "Tell her that the angel she thinks talked to her as a child, is that angel.. I know that I am always with my angels and a guarding angel.. Someone helped me and I believed it was an angel or my guardian angel.

Are you having some difficulties setting or achieving your goals? Here are 50 quotes about setting goals that will inspire you towards success.

Reading quotes about setting goals can help to shape your thoughts and broaden your understanding of goals as you gain access to the thoughts of great minds—people who have mastered the art of goal setting and have become remarkably successful.. By reading quotes about goals, you will find inspiration and motivation to set and achieve your own goals.. Below are 50 quotes about setting goals that will give you the needed clarity and push to set and achieve your goals.. The following quotes will give you an idea of what you should know about goals and the kinds of goals you can set to make your life better.. When you take the above criteria into consideration in setting your goals, you make a framework that will make your goals work.

In this episode of Influencers, Andy is joined by Bob Nardelli, former CEO of Chrysler and Home Depot, as they discuss the U.S. economy, the biggest challenges facing today's CEOs, and why Nardelli says we're already in a recession.

In this episode of Influencers, Andy is joined by Bob Nardelli, former CEO of Chrysler and Home Depot, as they discuss the U.S. economy, the biggest challenges facing today's CEOs, and why Nardelli says we're already in a recession.. BOB NARDELLI: I don't think I've ever seen a more challenging time for the CEOs today.. And I don't think I've ever seen a more challenging time for the CEOs today.. You know, why aren't we holding prices down?. ANDY SERWER: Running a business, as you've suggested, Bob, today, just gets more complicated.. ANDY SERWER: Bob Nardelli, CEO of XLR8, former CEO of Chrysler, former CEO of Home Depot, thank you so much for your time.

In this article, we will take a look at the 12 best environmental stocks to invest in. You can skip our comprehensive analysis of these companies and go directly to the 5 Best Environmental Stocks to Invest In. Apart from fighting a pandemic, the world is also facing the existential crisis of climate change. Deloitte mentioned […]

The groundwork for solar stocks like solar module manufacturer First Solar, Inc. (NASDAQ: FSLR) and solar inverter producer SolarEdge Technologies, Inc. (NASDAQ: SEDG) appears to be in place, with climate change firmly on the Biden administration's agenda.. Just like Microsoft Corporation (NASDAQ: MSFT), Tesla, Inc. (NASDAQ: TSLA), and NIO Inc. (NYSE: NIO), FuelCell Energy, Inc. (NASDAQ: FCEL) is one of the best environmental stocks to invest in.. Just like Microsoft Corporation (NASDAQ: MSFT), Tesla, Inc. (NASDAQ: TSLA), NIO Inc. (NYSE: NIO), Enbridge Inc. (NYSE: ENB) is one of the best environmental stocks to invest in.. At the end of the first quarter of 2021, 24 hedge funds in the database of Insider Monkey held stakes worth $223 million in Brookfield Renewable Partners L.P. (NYSE: BEP), up from 20 the preceding quarter worth $278 million.. Just like Microsoft Corporation (NASDAQ: MSFT), Tesla, Inc. (NASDAQ: TSLA), NIO Inc. (NYSE: NIO), Brookfield Renewable Partners L.P. (NYSE: BEP) is one of the best environmental stocks to invest in.. At the end of the first quarter of 2021, 24 hedge funds in the database of Insider Monkey held stakes worth $304 million in First Solar, Inc. (NASDAQ: FSLR), down from 34 the preceding quarter worth $406 million.. Just like Microsoft Corporation (NASDAQ: MSFT), Tesla, Inc. (NASDAQ: TSLA), NIO Inc. (NYSE: NIO), First Solar, Inc. (NASDAQ: FSLR) is one of the best environmental stocks to invest in.. At the end of the first quarter of 2021, 27 hedge funds in the database of Insider Monkey held stakes worth $542 million in Sony Group Corporation (NYSE: SONY), down from 28 the preceding quarter worth $594 million.. Just like Microsoft Corporation (NASDAQ: MSFT), Tesla, Inc. (NASDAQ: TSLA), NIO Inc. (NYSE: NIO), Sony Group Corporation (NYSE: SONY) is one of the best environmental stocks to invest in.. At the end of the first quarter of 2021, 28 hedge funds in the database of Insider Monkey held stakes worth $1.32 billion in NIO Inc. (NYSE: NIO), down from 34 the preceding quarter worth $2.63 billion.. At the end of the first quarter of 2021, 32 hedge funds in the database of Insider Monkey held stakes worth $421 million in SolarEdge Technologies, Inc. (NASDAQ: SEDG), down from 28 the preceding quarter worth $459 million.. Just like Microsoft Corporation (NASDAQ: MSFT), Tesla, Inc. (NASDAQ: TSLA), NIO Inc. (NYSE: NIO), SolarEdge Technologies, Inc. (NASDAQ: SEDG) is one of the best environmental stocks to invest in.. “Our biggest detractors for the quarter included SolarEdge Technologies (SEDG – down 11.2%) – The Smart Energy solar company declined during the quarter along with most other solar energy stocks due to concerns over higher interest rates.

Guide on finding the right power supply for your graphics card. The Graphics card is one of the most power-hungry components for any computer, whether a gaming PC or a work PC. The power requirements of a graphics card depend on the GPU model used because graphics cards with budget or entry-level GPUs consume less power. In contrast, mid-range and higher-end GPUs need significantly more power to operate.

The power requirements of a graphics card depend on the GPU model used, because graphics cards with budget or entry-level GPUs consume less power, whereas mid-range and higher-end GPUs need significantly more power to operate.. Entry-level or budget mid-range graphics cards draw their power from the motherboard’s PCI-E x16 slot only, which can provide up to 75W of power to the graphics card, whereas powerful mid-range and high-end graphics cards are more power-hungry and require additional power from the PSU or Power Supply Unit in form of 6-pin and 8-pin PCIe connectors for their working.. It is very important to select the proper power supply for your graphics card because if you get an underpowered PSU then it will not be able to supply enough power to your graphics card and other components, causing restarts or can burn out too, and may cause damage to your other computer components including the video card.. All the GPU manufacturers or graphics card manufacturers list the power consumption and the recommended power supply for their graphics cards.. If your graphics card requires external power connectors such as 6-pin or 8-pin PCIe connectors then you have to buy a power supply with these connectors included in it.. Most budget-level graphics cards do not require external power from the PSU but powerful mid-range and high-end graphics cards do require 6-pin/8-pin PCI-E power connectors from the power supply.. If you are still unsure of what capacity power supply you should get for your graphics card then you can ask your query by completely listing your budget and PC specs including the model of your graphics card.

Keep your Hidden Immunity Idols close as we look at every season of Survivor, ranked from worst to best.

This — coupled with the overwhelming dominance of the season's predictable winner — makes "Redemption Island" a pretty ... irredeemable watch.. It's a great strategy for winning, but it just doesn't make for very entertaining television.. Even host Jeff Probst isn't a fan, telling Entertainment Weekly ( via Digital Spy ) in 2005 that "Thailand" was his least favorite season of the whole series, explaining, "There was a lot of hostility, a lot of ugliness, and that's not fun to watch.". This is, to put it lightly, an absolutely iconic season of "Survivor," featuring many of the most memorable and outrageous moments in the show's history (including multiple blindsides and a fake Immunity Idol at a Tribal Council).. Is it good "Survivor" gameplay?. Season 9 saw two tribes divided by gender, with a languishing pre-merge game redeemed by an enjoyable post-merge portion.. Season 33 also scores bonus points for its unpredictable moments, from the entire cast's evacuation (thanks, cyclone) to a wildly early idol play at Tribal Council.. This time, the tribal division works to the show's credit, with a thrilling pre-jury game (minus one bummer evacuation), well-timed advantages, idols, and all manner of social power plays to keep you on your toes right to the bitter end.

Many people struggle to tell these two reptiles apart, but it isn't that difficult when you know what to look for. What is the difference between alligators and crocodiles? Well, there are essentially 8 main ways to tell them apart...

A young alligator by the water in Florida.. Is that also possible for crocodiles?. Question: Why do alligators swim away when humans approach?. Question: Do alligators and crocodiles have tongues, and if they do, are there any differences in them?. Question: Can an alligator kill a human being?. Question: Are alligators different from crocodiles?. There are a number of differences between them, including the shape of their snout, where they live, habitat, color, and size.. Question: Do you know the difference between a freshwater crocodile and a saltwater crocodile?. Answer: Alligators are less aggressive than most species of crocodile, certainly towards humans.. The article states that the Nile Crocodile is the one that humans should fear most (According to CrocBITE - in that it kills more people than others).. I now know the differences between crocodiles and alligators.. CROCODILES!. If it's after a while, then it's a crocodile.. differences between alligators and crocodiles!

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