This episode of Dnews is brought to you by BASF, THE Chemical Company. The sun is cool and all, but is there a way we can use it to make our lives better.It just dawned on me. Hey guys, Tara here for Dnews and I apologize for that awful pun earlier. It's a sickness and I can't stop. Anyway, we've been talking a lot lately about simple things you can do at home to decrease your carbon footprint. Recently I showed you how to start your own backyard compost, and.
Today I'm gonna be talking about solar power. Now typically when people hear solar power, they think of solar panels which are great for the environment. But they're also expensive and complicated to install. But that's ok because it turns out, there are tons of solarpowered devices out there that don't require installation, that you probably never even knew existed. A keyboard, for example, is something almost everyone uses and Logitech makes one that's reasonably priced and runs on solar power. What's even cooler about this one, is that.
You don't need natural sunlight to charge it. Any light source will work, including a desk lamp. And it has great reviews, too one person on Amazon said they kept it in a dark room for several months, and the power level never dipped below 100, which is pretty insane when you think about it. Another product that's nowhere near as useful as a keyboard but interesting, nonetheless a solarpowered bikini! For the person who has everything, except shame. This was created by Brooklynbased designer Andrew Schneider, who spends around 80 hours on each one, handstitching.
Hundreds of strips of photovoltaic film together with conductive thread. Of course the downside, is that you can't actually use it in water, but hey if checking Facebook at the beach is THAT important to you, you can always custom order one through his website. For a less girly product, a company called Husqvarna makes a line of solar hybrid robotic lawnmowers like Roombas, but for your yard. These are pretty pricey, around $24K, BUT their list of features is pretty damn impressive. They can be used at night, in the rain, on.
Steep hills, on uneven grass and did you notice they look like miniBatmobiles! If your dream is to own a Batmobile, and you have 4,000 dollars lying around it would be downright irresponsible of you, not to buy this. Yeah. I said it. All the money in the world can't buy this next product but that doesn't make it any less amazing. A pair of Swiss aviation pioneers recently unveiled the Solar Impulse 2, a singleperson aircraft powered entirely by the sun. The surface of the plane is covered with 17,000.
Solar cells, and custommade lithium batteries store that energy for nighttime making it the only plane in the world with unlimited endurance. To raise awareness about clean energy, its creators will attempt the first 5day, nonstop flight around the world in March 2015. And since I know you're all wondering yes, the seat does double as a toilet. God the future is incredible. And hey, speaking of great inventions Discovery Digital and BASF are teaming up once again, to get kids to use their imagination and demonstrate their knowledge of all things science.
Children in grades K8 are encouraged to submit a 24 minute tutorial about an educational and creative science experiment related to chemistry, sustainability, innovation, technology, or energy. One Grand Prize winner will receive a $10,000 college scholarship and an iPad, along with a Stuff To Blow Your Mind prize pack. All you have to do to enter, is submit your tutorial to stufftoblowyourmindscienceawards by May 23rd. The winner will be announced June 6th, and the winning experiment will be featured on StuffToBlowYourMind so if you wanna be internet famous while spreading the gospel.
Introduction to SolarPowered BLE Beacons and Wireless Sensor Nodes
Making things smart! The Internet is fast becoming ubiquitous, and Bluetooth Low Energy, also known as Bluetooth Smart, is the core technology that is making this happen. BLE Beacons and Wireless Sensor Nodes use Bluetooth Smart as an energy efficient way to transmit data to a smart receiver. Cypress unleashes these devices by coupling Bluetooth Low Energy with its energy harvesting power management IC to enable a true battery free device! The idea is fairly simple. The small lowpower devices, powered by light energy harvested from its surrounding environment, can be installed literally anywhere. These.
Devices are preprogrammed with a unique, very short data string that is sent to a smart receiver, typically a smart phone, using the Advertisement mode of Bluetooth Smart. The Advertisement mode is usually used to transmit pairing information and defined to use very little energy. Using the unique data, your smartphone goes to the Internet and pulls down content that's related to where you are or what you're doing. The transmission range can be adjusted, so the content displayed can be very focused on the immediate area, or widened out to relate to a general area. Wireless Sensor Nodes use this mode not only.
To send the unique data, but also to send additional data such as temperature or humidity that has been collected by an embedded sensor. The smart device receives both sets of data and sends it to the internet and to be stored in a database. Wireless Sensor Nodes are projected to be the fastest growing portion of the IOT device market in the next 5 years. Solar or Light powered BLE Beacons have a wide variety of applications in a retail situation. They can urge you to come into a store based on products, special offers, or your past patronage.
Once in the store they can trigger a reward for entering. While shopping you can receive specific information about a product you are looking at. It can also help facilitate the payment process by setting up your digital payment. This same basic functionality can be useful in venues such as train stations. Your smartphone detects a BLE Beacon and then pulls up to the minute information from the Internet regarding train arrival, delays, and even how many people are already on the train. In an industrial setting, Wireless Sensor Nodes can transmit environmental data, or even collect information such as up time.
Solar Energy DelftX on edX Course About Tutorial
DR. ARNO SMETS Welcome to the Delft University of Technology. My name is Arno Smets and it's my pleasure to be your lecturer in the course, Solar Energy. In this course, you will be introduced to technologies which convert sunlight into electricity, heat and solar fuels. We will discuss the fundamental physical principles of how a solar cell works and the current status and future challenges of solar energy technologies. I will teach you how to design a solar system for any application. SPEAKER 1 After completion of the course SPEAKER 2 I can analyze the performance of solar cells and modules.
SPEAKER 3 I can explain the various concepts to convert solar energy into electricity, heat and solar fields. SPEAKER 4 I can design on paper a complete photovoltaic system for any application. SPEAKER 5 I can explain the physical working principles of photovoltaic conversion in solar cells. SPEAKER 6 I can describe various solar technologies and their future challenges. SPEAKER 1 On this course, you can also interact with your fellow students all over the world by sharing your own ideas and experiences. GUILLERMO I'm Guillermo and I'm from Ecuador. SPEAKER 7 INAUDIBLE Bangladesh.
SPEAKER 8 I'm INAUDIBLE Achmed from Institute of Renewable Energy at Technology University of INAUDIBLE. SPEAKER 9 I'm a student of the massive open online course of solar energy. SPEAKER 10 Solar energy is becoming more popular in Mexico every day. SPEAKER 11 I am INAUDIBLE from Morocco. SPEAKER 12 Welcome to the Institute of Renewable Energy University of Dhaka, Bangladesh. SPEAKER 13 I will show you my own PV systems. SPEAKER 14 You can watch the system consist of light INAUDIBLE post. SPEAKER 1 You'll surely need and enjoy this course on solar energy.
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.
Liberty Lantern As Seen on TV Commercial Tutorial LED Solar Powered Light
Oh, no! Another storm is coming and it can be days before the power comes back on. That's why you need the all new solar powered Liberty Lantern the antique style lantern featuring ultra bright LED technology. Flash Lights always need new batteries, are uncomfortable to hold, and hard to direct the light where you need it. But the solar powered Liberty Lantern's 16 ultra bright LED bulbs radiates light throughout the whole room for up to 120,000 hours. Amazing! And it automatically recharges itself in indoor or outdoor light.
But that's not all. You can also recharge your cell phone or other devices with a built in USB charging cord making the Liberty Lantern a solar powered device charger. Now you'll always be ready for emergencies and never be stuck in the dark for hours with nothing to do or no way to contact your friends or family no matter how long the power stays out. And it's not just for emergencies. The built in dimmer adjusts from an ultra bright light to a gentle flickering candlelight glow, making the Liberty Lantern perfect for everything.
From candlelight dinners, to outdoor patio parties or barbecues, perfect for lighting up the camp site. Great for safe evening strolls. Light up the stairway or wherever you need to have an extra light or phone charger handy. Liberty Lantern is cool to the touch, is water resistant, and makes a great decorative piece. Other led lanterns need batteries costing you money. Only the incredible Liberty Lantern recharges in four different ways solar power, a built in hand crank, or USB charging port from a computer or wall adapter. So its always.
Ready any time. Today's callers will get the solar powered Liberty Lantern featuring the built in dimmer, candlelight function, back up hand crank plus two USB ports for recharging your cell phone or tablet for only $19.95 plus processing and handling. But wait, for a limited time we will double your order! That's right! You'll get two Liberty Lanterns for the price of one. And were not done yet as a special bonus you'll get the solar powered cell phone charger key chain. Charge your cell phone anywhere. It even has a built in.
Portable Charger for iPhone Power Bank The WakaWaka Power
NEW Solar Powered Portable Charger for iPhone The WakaWaka Power Female Hi, how are you. Welcome to WakaWaka. I am having so much fun here. I can't even tell you how much. Did we tell you what WakaWaka means WakaWaka in Swahili means shine bright, so that's what we're doing we're lighting up the world aren't we Male We are. Female Yes, we are. Tech expert.marketing expert. Anyway, so come and step up, take a look at our great charger here. It's the greatest charger on the market. You're going to love this. So this.
Is our solar panel right here. So put this in the sun, 6 hours to charge, once it's fully charged, you have your USB port over here, so anything that you need to charge, here's your USB port, your iPhone, your Samsung, your GPS device if you're a camper and a hiker, you just plug right in here. It will take your iPhone 112 times on the charge, on a full one of these. Takes 6 hours in sunlight. Now if you're like me and you're like oh, I want to go camping tomorrow, but it's 1000 tonight,.
And I haven't charged my device, what do I do. Well, we have a solution for that because you just plug it in and use AC. So you can plug into the wall and charge this as well. So no excuse not to go camping. Now once this is fully charged, you're walking around, and you're camping, it's dark. Turn on the light. I'm not going to shine this in your eyes, I promise. It's very bright, and I'm not even close to your eyes. It's very bright. First responders love this because they're actually able to hang this from the ceiling and take care.
Of their patients. Isn't this a wonderful idea Now, you don't need this to walk around in the woods, do you You can turn it down just a little bit to help find your keys in the dark. It's great if the power goes out at your house, and you're scrambling around trying to find your candles. Don't light the candles just use this. This will last up to 150 hours on low. Now if you're lost out in the woods, and you need help, it has an SOS beacon as well. These.
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.
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