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How Do Solar Panels Work Simplified

Solar powered air conditioning

Music playing Narrator Over 50 percent of the greenhouse gas emissions you produce in your home are generated by heating, air conditioning and hot water. In other words keeping your home warm in winter, cool in summer with nice hot water on tap is emitting 2.5 to 5 tonnes of greenhouse gas emissions each year. It also contributes a hefty amount to your electricity bill, between 50 to 60 percent. CSIRO has invented a new solar air conditioning system for Australian homes. This technology solution will reduce Australia's emissions, reduce your energy.

Bills and reduce our demand for electricity and gas. If every home in Australia installed our solar cooling technology it would be the equivalent of saving 15 mega tonnes of CO2 or taking 3.5 million cars off the road. CSIRO's solar air conditioning is an innovative three in one technology that provides hot water, cooling and heating. It uses only a fraction of the electricity of current systems and halves greenhouse gas emissions. The process begins with a typical solar hot water system. Water is heated by solar panels and stored in the hot water tank.

This solar hot water can then be used throughout the home, reducing the need for gas or electricity. A portion of the hot water is diverted into CSIRO's new solar air conditioning unit, which is divided into two compartments. The hot water enters a heat exchanger in the first compartment of the unit. Similar to a car radiator the heat exchanger uses the hot water to heat outside air that has been drawn into the first compartment through the vent. At the same time outside air is also being drawn into the second compartment into a desiccant wheel.

The desiccant wheel is the most critical part of the system. It is used to dry out the air before it goes into the house. Slowly turning the desiccant material in the wheel continuously absorbs moisture in the second compartment and then the absorbent material dries out in the first compartment. The desiccant material is dried out using the hot dry air generated by the heat exchanger. This air is then exhausted outside the home. The dry air from the desiccant wheel flows through an indirect evaporative cooler which creates a stream of cool dry air.

SOLAR FAN MALAYALAM Fun with Solar Energy!

Today germany produces one third of its entire energy using solar and wind. so lets explore how the solar fan works. this is the solar propeller and this is a small toy motor and now you affix this plastic fan to the axle of the motor. there are two leads coming out of this toy motor. these are attached to two screws and the motor is mounted on a wooden stand. the propeller must rotate freely. this is the solar panel. this is the underside of the solar panel from where the two leads are coming out and are attached to two crocodile.

SOLAR FAN ENGLISH 11MB.avi

Today germany produces one third of its entire energy using solar and wind. so lets explore how the solar fan works. this is the solar propeller and this is a small toy motor and now you affix this plastic fan to the axle of the motor. there are two leads coming out of this toy motor. these are attached to two screws and the motor is mounted on a wooden stand. the propeller must rotate freely. this is the solar panel. this is the underside of the solar panel from where the two leads are coming out and are attached to two crocodile.

Generate Electricity From Vinegar At Home Cool Science Experiment

Hi , in this tutorial I'm gonna do a really cool science experiment so I gotta make an Ice Tray battery at home and you need a few materials that you can usually find from around the house are you ready if you are, so let's do it Here is what you need White or red vinegar, 5 pieces of copper wire 5 nails, Ice tray, One LED, safety glasses Step1 Wrap a nail with the copper wire like this then repeat this process with the rest of the nails Step 2 Fill up 6 sections of the ice tray.

With red or white vinegar Step 3 okay, in this step you should create a circuit by inserting each nail into the vinegar like this. Make sure the copper wires don't contact with the nails in each sections Step 4 Place the LED in between the sections that contain only one nail and one wire. The copper is the positive terminal and nail zinc is the negative terminal. Try this experiment at home and enjoy it. Be the first one to know about our next tutorials.

SOLAR BOAT ENGLISH 20MB.avi

This solar boat has been designed by LG in korea and made available through the department of physics in Pune university. this is a ready made kit. you need to assemble it. here is a solar panel with a toy motor and a worm gear. when you keep it out in the sun it rotates. once the shadow falls on the solar panel the motor stops. place the motor in its plastic casing and this is the solar panel. this is the body of the boat. these are the styro foam mounts, with a hole in the middle where the main axle will come. this is the pilot.

And this is the mount for the solar panel which can be adjusted. now place the motor along with the worm in position. place the solar panel on its mount which is adjustable. now place the steel axle with the gear in the middle and place two pedals on the ends. now this is the entire assembly of the solar boat. you can see that worm is with alignment with the gear. if the gear moves, both the pedals will move. this is the solar panel whose angle can be adjusted so as to orient it towards the sun. if you place the solar.

Boat in the sun, the solar panel will produce electricity which will run the motor, which will run the worm gear and gear in the middle will operate the pedals. when the shadow falls, the boat stops. now place the solar boat in a big tub of water. sun will fall on solar panel, the boat will run and the boat will go forward. when the solar panel comes under shadow, the boat stops. right now its turning, pedals are moving and boat is moving round and round. but as soon as the shadow falls on solar panel, the boat stops. its a nice.

The Future of Solar Energy is TINY Technology!

The future is huge for tiny technology. Miniaturization is, perhaps ironically, a huge deal. I mean, without it we wouldn't have had the personal computer revolution and we wouldn't have this world we live in now, where we have smartphones and tablets and other devices just as powerful as a computer, that can fit in the palm of your hand. But even these gadgets are gargantuan compared to nanotechnology! See, a nanometer is just one billionth of a meter. And that's kind of hard to imagine, so let me put it to you this way.

Your typical sheet of paper is about one hundred thousand nanometers thick. And at this scale, individual elements are so small you can't even see them with a light microscope. Now as we learn more about how materials behave on the nanoscale, we have more potential applications to use that knowledge practically. I'm talking about how nanotech could help solar panel technology. And fortunately, at a recent meeting of the American Association for the Advancement of Science, or AAAS, they had a panel on just this very subject. Now if you know anything about solar panels you know they have some drawbacks. For example,.

Efficiency they max out at around twenty percent in the field under ideal conditions. They're also rigid, so you can't just put them anywhere you like. And they tend to be expensive because manufacturing them is complicated. But scientists hope that nanotechnology can help address all three of these challenges. Now with efficiency they're looking to nature specifically, moth eyes. You see, moths have these little tiny structures in their eyes that help reflect light back into the eye and it does two things it lets them see better in the dark, and it cuts down.

On reflection so predators can't spot them as easily. With solar panels it could actually make them more efficient by reflecting more of the sun's light into the panel so you lose less in reflection. And when we're talking about flexibility, well nanomaterials are really, really small, and there is the potential to create solar panels that are just a few sheets of molecules thick. They could be as flexible as a sheet of paper, and with that kind of flexibility you could put those pretty much anywhere you wanted to.

And as for price, well, that's the big one. And in the short term I don't think it's going to turn around. But scientists are cautiously optimistic that nanotechnology will let us use new processes, like printing solar panels directly onto a substrate using just a specialized printer. That would actually be less complicated and expensive than traditional manufacturing methods. Now at that meeting of the AAAS, a Dr. Wolfgang Porod gave a talk about Nanoantenna Thermocouples for Energy Harvesting. Which I admit sounds like technobabble straight out of a Star Trek episode.

But it's actually fairly simple once you break it down. A nanoantenna is just an antenna on the nanoscale. These resonate with longwave infrared radiation. And a thermocouple Well that's a component of circuitry that generates a voltage when one part of the thermocouple is a different temperature than other part. So you pair these two together and the antenna generates heat and the thermocouple generates voltage. It could actually help increase the efficiency of solar panels. Now like I said, nanotechnology is a young science and it has lots of different applications.

Across many disciplines. And I'm really excited how such a small technology could have such a huge impact. That leads me to this week's question. When I say the word nanotechnology what do you imagine What does that word mean to you Let us know in the comments below. Then, do me a nanosized favor and share this tutorial with your friends. If you enjoyed it make sure you hit the 'like' button and subscribe to our channel. Then check out these tutorials over here. There's some huge surprises in them.

Solar Energy Leasing Explained

PRESENTATION 3 Solar Leases PPAs Solar leases and Power Purchase Agreements also known as PPAs allow you to take advantage of the financial and environmental benefits of solar without owning your solar panel system. Both options are similar to renting. With a solar lease, you pay a monthly fee for the system and get to use all the electricity the solar panels produce For Free. With a PPA you agree to purchase the electricity the system generates at prices that are lower than what you would pay your utility.

Most leases and PPAs have $0 down options so you won't pay anything upfront. Your monthly payments for a lease or PPA is usually less than your current electric bill so you begin saving right away. A solar lease or PPA will help you to save 1050 over your utility's electricity bills, without making any upfront investment. And, over time, as electricity prices continue to rise, your savings will continue to grow. Although solar panel systems require little to no maintenance, if something were to happen, the lease or PPA company would be responsible for any repairs since it is the owner of the.

System. Securing a lease takes less time and effort than securing a loan. Generally, you sign a 20 year contract with the leasing company and they will install the panels at your home. You will need to have a credit score of more than 700 to qualify for a solar lease or PPA. Today, these options are only available in a limited number of states. Where they are not available, you always have the option to get a solar loan. Since the leasing company owns the solar panel system, many of its financial benefitsthings.

Like rebates, tax credits and incentives would go to them. So if you are looking to maximize your investment in solar, lease and PPAs aren't the best choice. They are a great option though if you're looking for a simple solutionone that provides you with the environmental benefits without responsibility for maintenance. They are also a good option if your tax bill is less than the tax credit you would receive. If you decide to sell your home before the end of the contract period, you can do one of two things. Option 1 You can work with the new buyer and the lease or PPA company.

To have him or her assume the remainder of the contract. In this instance, the company would verify the buyer's credit worthiness, but this is generally not an issue since they already needed to qualify for the mortgage used to purchase the home. Option 2 you can buy the system from the lease company at fair market value and then include it in the price of your home at the time of sale. Now that you understand your options, you'll need to choose the one that's best for you. The EnergySage Marketplace is an excellent starting point.

The Marketplace will help you get quotes from multiple prescreened solar installers and financial companies. It will also provide you with applestoapples comparisons of the financial benefits associated with purchasing the system and financing it with solar loans, solar leases or PPAs. The Marketplace makes it easy for you to evaluate each option and choose the one that will best meet your needs and financial objectives. For more information about this and other topics such as the types of available solar loans, leases and PPAs, how to compare them or to start shopping, visit the solar section.

3 Simple Ways to Time Travel 3 Complicated Ones

Time travel can be complicated and complicating, so let's ignore all the paradoxical stuff and talk about a few simple ways that you can time travel without leaving your home. First, 1 Do nothing you're already traveling through time! I mean, here you are fifteen seconds into the future since the start of this tutorial! Easy, huh The point is, we're all always traveling forwards through time. But that's boring time travel. What's interesting is time travel relative to other people. To do that. 2 Start walking, and you'll travel through time relative to someone standing still! We've.

Known for over a century that time and space are really just two components of a single spacetime , and the faster you move, the slower time will pass for you. If you take a walk around the block, you'll be 3 femtoseconds younger than your friend who stayed home. Except, in order to walk around the block, you had to. 3 Stand up. You're now further from the Earth, and so gravity is a tiny bit weaker for you. Which means you've traveled through time relative to your friend who's sitting down. That's.

Right, more gravity makes time slow down, too. If you stand up for a minute your feet will have aged 10 femtoseconds less than your head. On the other hand, GPS satellites high in orbit experience less of earth's gravity and thus travel noticeably faster through time than we do, which is why their clocks are calibrated to run slow. But maybe you want to time travel more than a few femtoseconds. Get ready for your head to start spinning I mean, the universe. 4 Because if the whole universe were spinning really fast, general relativity predicts there.

Would be timeloops all over the place.Moving along one of these loops, you'd always feel like you were moving forwards in time, but overall you'd loop around and travel back to a time and place in your own past. It's a little like how you can keep moving forwards on the Earth, but Earth's curvature brings you back to where you started. Unfortunately, our universe isn't spinning. Maybe it would be easier to build. 5 An infinitely long, superdense spinning cylinder, which would also curve spacetime enough to create a timeloop. The problem, of course, is how do you build something that's.

Infinite in size Maybe you could just make it really really really big MmmNo. If you tried to squeeze this time machine into finite space, you'd need negative energy something nobody knows how to create to make it work. Otherwise you'd end up with a black hole. Wait, but what if instead of a black hole, we. 6 Built a wormhole Wormholes are hypothetical but not physically impossible bridges through spacetime, shortcuts that can instantaneously connect two different places and times in our universe. If you had a wormhole you might be able to use it to travel into the past.

Or the future. The problem is that noone knows how to build a wormhole. Or, once you've built it, how to keep it from collapsing as Sean Carroll has eloquently written, keeping wormholes open requires a form of negative energies. Nobody knows how to make negative energies, although they occasionally slap the name exotic matter on the concept and pretend it might exist. Well that's too bad. but as consolation, welcome to the future! Almost three minutes have passed since the beginning of this tutorial, and we have personal jetpacks now!.

Concentrated Solar Power Simple Explanation

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HOW SOLAR PANELS WORK SIMPLE

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