This episode of DNews is brought to you by Full Sail University. This week the Japanese Aerospace Exploration Agency announced it wants to get solar power from space. I'm having flashbacks to disasters from SimCity2000. Hello! I'm Trace. Thank you for watching DNews. Back in the 1960s, American aerospace engineer Peter Glaser proposed launching solar panels into space, and beaming the power they collect back to the surface for our use. Since the late 60s the idea has been in a holding pattern mainly because of the expense and worries about maintenance and equipment, but thanks.
To recent developments in solar panel tech the Japanese space firm JAXA says they can finally try it. The plan is ambitious at minimum and cost hasn't yet been calculated, BUT JAXA is determined, and they're not the only ones. The U.S. Naval Research Laboratory is also interested in spacebased solar. The reason everyone's looking up, is because that's where the sun sits! If we can put a satellite in orbit to collect the sun's rays BEFORE the atmosphere filters them out, and without the worry of a cloudy day, that would be rad. The JAXA Space Based Power System.
Or SBPS will orbit 22,400 miles up, and if done to their specs, would completely replace a nuclear power plant by producing 1 gigawatt of electricity enough to power halfamillion homes. Their plan uses a 10,000 metric ton system, which is. well pretty ridiculous. The largest rocket ever launched was the Saturn V it took our boys to the moon and could only lift about 130 metric tons. Once the power is gathered, a converter in space will convert the electricity into a microwave beam not like in your house, literally waves of energy that are.
On the micro scale. Microwaves can be converted from energy at 80 percent efficiency, which means there would be some loss, but it would be pretty damn efficient about 48 of the power collected would reach consumers. Which doesn't sound great, but it really is. To make sure the array is getting sunlight 24hours a day, JAXA plans to put mirrors on either side of the planet to reflect sunlight at the collector all the time. The Japanese are announcing their plan so far in advance in the hope other countries.
Will gather and help realize the dream of solar from space. Once created, it could provide clean, unlimited energy anywhere on the planet, regardless of remote location. Here's the kicker. It would cost about a trillion dollars. Which sounds like a lot, but it's like 125 bucks per person on the planet in 2030. And that's WAY more than you're paying doe your power bill. Not to mention oil wars and all the pollution, ecological damage, mining and drilling that goes with fossil fuels. We've got commenting areaaassss, check them out and type your feelings on spacebased.
Solar so we can all talk about it! None of this would be possible without computers to run the system, and we need people to write the computer programs. Full Sail University in Florida offers courses to help train tech professionals by blending code and realworld experience. Students of Full Sail have handson access to technology on their first day, get a discounted laptop and all the software they'll need to earn degrees in software, mobile and web development. To find out more and support the show go to fullsail.edudnews! Thanks.
Inside the White House Solar Panels
Cheery melody of bells and strings Secretary Moniz Solar panels on the White House I think are a really important message that solar is here. We are doing it. We can do a lot more. I am very bullish on the future of solar energy as a key part of our clean energy future. James Doherty The size of the array that we established here is the typical size for the average American house. Being at the White House, we do have some security concerns. We can't cover the entire roof with panels,.
Though that would be good from an energysaving standpoint. Laughter. Cyrus Wadia Everything from the solar components to the inverter technologies to the labor that put the panels on the roof was all America. Domestic source, domestic maintenance. It serves as a symbol that America technology in solar is available, it's reliable, and it's ready for millions of Americans across the country. James Doherty So the first thing what we did was we drilled down into the concrete and then basically epoxied a series of threaded rods back up through the baton tops.
We then were able to install a series of grids for a subassembly upon which the solar panels could then be secured. Secretary Moniz Clean energy revolution is not something for the distant future. It's happening right now and we want to capture that. Cyrus Wadia Every four minutes, some small business or home owner is going solar. In a sense, we're going through a transition here and the industry is going through a transition that we're just seeing the beginning of. Minh Le The President is basically doing what Americans.
All across the nation are doing right now. They're making the conscious choice to look for renewable energy like solar as the cheaper, cleaner, and preferred energy source for their homes and families. Cyrus Wadia You know, we need to diversify the clean energy portfolio as articulated in the President's Climate Action Plan, which we are actively engaged in now. And we also need to spur the economic sectors of the future. Last year alone we created over 23,000 new jobs in solar energy. James Doherty Obviously the more that we can install.
How Do We See Things From Space
Earth observation satellites orbit between 111 miles and 1,243 miles above the surface. so HOW THE HECK can they spot the car in my driveway! Hey y'all, Trace here for your Weekly DNews Space Update! There's this amazing political commitment called the International Charter on Space and Major Disasters. The Charter was created after the UNISPACE III conference in 1999 as a framework for sharing of satellite data amongst member states in the case of disaster. Pretty much all of the satellite operating countries are members. China activated The Charter after the Malaysian Airlines Boeing.
777 disappeared. Once activated, member agencies determine which satellites can be tasked with shooting pictures of the area of interest, usually a location of a tsunami, earthquake and so on. This is the first time the Charter's been activated to hunt track down a missing airliner! Conspiracy theorists assume spy satellites can zoom in and read over your shoulder, but the Earth is real big y'all. Anyone who's used Google Earth knows this, you can spend days on there. But how does a thing 1200 miles a way make out a tiny airplane, or a car in.
My driveway Back in the day, the recently declassified Gambit and Hexagon American spy satellites used large format film dropped from space and developed on the ground. The chemical process of film is SUPER clear, but limited to the number of rolls of film blasted off with the satellite. Digital camera technology exists in part BECAUSE of the space program's want for digital images. Three companies GeoEye, DigitalGlobe and Spot Image employ about a dozen satellites just for ground imaging. Governments, agencies and private companies have their own cameraequipped satellites, but the specs are a secret. The GeoEye1 says.
They can capture 700million pixelspersecond with a black and white resolution of 16 inches per pixel. The most famous, Earthimaging satellites are the Keyhole series. They're probably the best, and some version has been orbiting for more than three decades. The KH satellite is basically a giant orbiting lens. They're like the Hubble Telescope, but instead of pointing at faraway galaxies, they're pointing at terrorists, enemies of the state, and that little red book you're reading in the park. HowStuffWorks says the KH series can use it's camera to see things as small as FIVE INCHES per pixel, so they can't tell WHAT book you're.
Reading, but they can see the book. When it comes to spotting VERY specific things, things get tough. The lenses and digital cameras inside the satellites have to point at the right place at the right time. So if you're worried someone is spying on you, don't be. The resources are hard enough to task already. Not to mention, all this doesn't mean JACK SQUAT without some SERIOUS data analysis. There are whole industries built around the analysis of the images and data from space. Think about it 700 megapixels every second is a lot of visual information, and computers.
Aren't great at picking out visual details. With regard to the Malaysia airline, NASA is looking through the archives of their satellite data to see if any equipment was over the area at relevant time. China's satellites spotted some debris on Sunday, but small pieces of debris in a constantly moving ocean are difficult to identify. So far no one has found anything. The Internet has been a game changer for this type of humancentric analysis. DigitalGlobe has made it's entire library of relevant photos available to help search for the missing airplane,.
What Countries Are The Most Energy Efficient
As emerging economies continue to expand, their energy needs are set to grow dramatically in the coming years. The International Energy Agency has even predicted that global energy use will increase by 30 percent over the next two and a half decades. With crude oil the source of so much volatility around the world, there is no question that the the future of energy will be based on countries dedicated to alternative, renewable sources. So, which countries are the most energy efficient Well, the American Council for an EnergyEfficient Economy has ranked the world's 16 largest.
Economies, which account for nearly three quarters of global electricity consumption. This is based on 31 metrics, spanning energy use in buildings, industry, and transportation. It includes things like the country's national energy savings goals, vehicle fuel economy standards, and energy consumed per foot of floor space. The United States ranks among the least efficient, at number thirteen. But across the board, Germany saw the greatest energy efficiency, scoring well in all metrics, but especially industry. According to the report, German industry and manufacturing is the second most fuel efficient in the world, with plans to far surpass the current leader,.
Australia, by 2020. Part of the reason Germany is doing so well is a national policy, dedicated to lowering energy use, known as Energiewende, or Energy Transition. The goal of this program is to stop using coal and other nonrenewable energy sources like oil. Clearly, it has been working so far. In 2014, Germany accounted for half of the new wind farms in the EU, and has been leading the world in energy efficiency. In an extremely close second place overall, Italy actually surpasses Germany in transportation. Although they tie with the UK for vehicle fuel efficiency, at nearly 40 miles per gallon.
On average, Italians also travel the least per capita. This low impact, high efficiency makes Italy a world leader in transit energy. Additionally, Italy tends to prioritize its rail system over its roads, leading to more people taking the train, and thereby saving considerable energy. Still, Italy continues to primarily use fossil fuels, and actually scores the worst in terms of commercial building energy efficiency. When it comes to buildings, China takes the lead. Their polluting past and wide range of energy inefficiency may hold them back. But China's residential buildings use less.
Energy per square foot than any other country in the report. This is partially due to strict building codes, and the fact that energy intensity is one of the country's top priorities. And despite being known for wastefulness, between 1980 and 2010, energy consumption increased five times, while the economy grew 18 times. Between Germany, Italy, and China, emerging countries can look at their journeys towards energy efficiency, and fine tune their own programs for maximum output. Still, every country surveyed has a long way to go, and plenty of areas to improve. Hopefully, 2016.
Solar Emergency Bulb Concept Prototype
The solar emergency bulb is an energy saving light bulb that utilizes the extra space in the center of the bulb l to house small solar panels that charge a backup battery in case of an emergency the concept is when the power goes out the bulb will switch to the battery and stay illuminated the purpose of the solar panel is to allow the bulb to charge the batteries without using any extra power this means the batteries are charged independently without using more electricity although the battery does not illuminate as strong.
President Obama on Climate Change
One of the biggest factors in bringing more jobs back is our commitment to American energy. The all the above energy strategy I announced a few years ago is working, and today America is closer to energy independence than we have been in decades. One of the reasons why is natural gas. If extracted safely, it's the bridge fuel that can power our economy with less of the carbon pollution that causes climate change. Businesses plan to invest almost a hundred billion dollars in new factories that use natural gas. I'll.
Cut red tape to help states get those factories built and put folks to work, and this Congress can help by putting people to work building fueling stations that shift more cars and trucks from foreign oil to American natural gas. It's not just oil and natural gas production that's booming we're becoming a global leader in solar too. Every four minutes another American home or business goes solar, every panel pounded into place by a worker whose job can't be outsourced. Let's continue that progress with a smarter tax policy that stops giving $4 billion a year to fossil fuel industries that don't.
Need it so we can invest more in fuels of the future that do. Our energy policy is creating jobs and leading to a cleaner, safer planet. Over the past eight years the United States has reduced our total carbon pollution more than any other nation on Earth. But we have to act with more urgency because a changing climate is already harming western communities struggling with drought and coastal cities dealing with floods. That's why I directed my administration to work with states, utilities and others to set new standards on the amount.
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