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Tesla is preparing to launch Powerwall 3, the third generation of its home battery pack, according to information obtained by Electrek.

In 2015, when launching its Tesla Energy division, Tesla launched the first generation of the Powerwall, and it quickly became, by far, the most popular home battery pack in the residential market.

Shortly after, Tesla launched Powerwall 2, a new version of the residential battery pack with more energy and power capacity.

Electric vehicles feature lithium-ion battery packs today. They are heavy. But in the future lithium-air batteries that are more energy dense, lighter, and smaller could revolutionize EV design.

Lithium-air provides 4x greater energy density, and gets the oxygen needed in the chemical process from the surrounding air.

Yahoo Finance Live anchors Brad Smith and Jared Blikre break down Tesla’s ‘Master Plan Part 3’.

Video Transcript

BRAD SMITH: Tesla CEO Elon Musk reveals the third part of the EV maker’s master plan is to lead the global effort to convert the world to sustainable energy here. And as part of that, according to Musk, Tesla’s projects will take $10 trillion in investments.

Researchers have discovered that in the exotic conditions of the early universe, waves of gravity may have shaken space-time so hard that they spontaneously created radiation.

The physical concept of resonance surrounds us in everyday life. When you’re sitting on a swing and want to go higher, you naturally start pumping your legs back and forth. You very quickly find the exact right rhythm to make the swing go higher. If you go off rhythm then the swing stops going higher. This particular kind of phenomenon is known in physics as a parametric resonance.

Continue reading “Physicists Discover that Gravity Can Create Light” »

Researchers at Tokyo University of Science have achieved a two-order improvement in the response speed of solid-state batteries.

Researchers at the Laboratory of Organic Electronics, Linköping University, have together with colleagues at the Lawrence Berkeley National Laboratory in Berkeley, California, developed a method that increases the signal strength from microbial electrochemical cells by up to twenty times. The secret is a film with an embedded bacterium: Shewanella oneidensis.

Adding bacteria to electrochemical systems is often an environmentally sensitive means to convert chemical energy to electricity. Applications include water purification, bioelectronics, biosensors, and for the harvesting and storage of energy in fuel cells. One problem that miniaturisation of the processes has encountered is that a high signal strength requires large electrodes and a large volume of liquid.

Researchers at Linköping University, together with colleagues at the Lawrence Berkeley National Laboratory in Berkeley, California, USA, have now developed a method in which they embed the electroactive bacterium Shewanella oneidensis into PEDOT: PSS, an electrically conducting polymer, on a substrate of carbon felt.

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LiquidPiston says its new XTS-210 solves the efficiency, lubrication and fuel type issues of Wankel rotary engines. This supercharged, liquid-cooled two-stroke claims 5X the power of an equivalent size or weight diesel engine, and 3X the torque.

A scaled version of the V-Wing made its first flight, showing that alternative designs could become long-distance aircraft of the future.