Archive for the ‘energy’ category: Page 197

Jul 31, 2019

High-power Military Lasers: The Pentagon’s laser weapon plans expand

Posted by in categories: energy, military

Solid state laser :3.

Advances in high-energy solid-state lasers and encouraging results from field trials show expanded capabilities of recent U.S military laser prototypes.

Jeff Hecht

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Jul 29, 2019

The World’s First Plane Made From And Powered By HEMP

Posted by in categories: energy, transportation

Group is set to build the world’s first plane made from and powered by HEMP. Not only the plane set to run on HEMPEARTH Hemp Jet A Bio Fuel, but it is set to be built almost entirely from HEMP. Everything from the seats, the wings, the plane walls and even the pillows are set to contain hemp.

Jul 25, 2019

Could a Chinese supercharged bacterium spark a superhuman revolution?

Posted by in category: energy

Researchers say they created E coli strain that can draw free energy from the environment; its next task is to see if technique can be applied to complex life forms such as humans and animals.

Jul 24, 2019

Unconventional phenomena triggered by acoustic waves in 2-D materials

Posted by in categories: energy, quantum physics

Researchers at the Center for Theoretical Physics of Complex Systems (PCS), within the Institute for Basic Science (IBS, South Korea), and colleagues have reported a novel phenomenon, called Valley Acoustoelectric Effect, which takes place in 2-D materials, similar to graphene. This research is published in Physical Review Letters and brings new insights to the study of valleytronics.

In acoustoelectronics, surface (SAWs) are employed to generate . In this study, the team of theoretical physicists modelled the propagation of SAWs in emerging 2-D , such as single-layer molybdenum disulfide (MoS2). SAWs drag MoS2 electrons (and holes), creating an electric current with conventional and unconventional components. The latter consists of two contributions: a warping-based current and a Hall current. The first is direction-dependent, is related to the so-called valleys—electrons’ local energy minima—and resembles one of the mechanisms that explains photovoltaic effects of 2-D materials exposed to light. The second is due to a specific effect (Berry phase) that affects the velocity of these electrons travelling as a group and resulting in intriguing phenomena, such as anomalous and quantum Hall effects.

The team analyzed the properties of the acoustoelectric current, suggesting a way to run and measure the conventional, warping, and Hall currents independently. This allows the simultaneous use of both optical and acoustic techniques to control the propagation of charge carriers in novel 2-D materials, creating new logical devices.

Jul 24, 2019

Free energy generator 100% electric new technology — experiment 2019

Posted by in category: energy

Jul 22, 2019

Hydrogen power is here to stay. How do we convince the public that it’s safe?

Posted by in category: energy

Via World Economic Forum

It’s a clean and viable replacement for fossil fuels in transport, energy storage and power-to-gas applications. But public doubts around hydrogen safety are contributing to the delay in its adoption around the world.

Jul 20, 2019

Physicists Have Reversed Time on The Smallest Scale

Posted by in categories: energy, quantum physics

It’s easy to take time’s arrow for granted — but the gears of physics actually work just as smoothly in reverse. Maybe that time machine is possible after all?

An experiment earlier this year shows just how much wiggle room we can expect when it comes to distinguishing the past from the future, at least on a quantum scale. It might not allow us to relive the 1960s, but it could help us better understand why not.

Researchers from Russia and the US teamed up to find a way to break, or at least bend, one of physics’ most fundamental laws on energy.

Jul 20, 2019

A Walk on Future-Moon — July 20, 2044 (Op-Ed)

Posted by in categories: energy, space

Industrial development of the moon, based on mining water ice for rocket propellant, could jumpstart new energy and material markets on Earth as it drives the human settlement of interplanetary space.

Jul 19, 2019

Self charging car batteries mean you’ll never need to plug in

Posted by in categories: energy, sustainability, transportation

(21 Oct 2017) LEADIN:

Forget plugging in to charge up your new electric car, engineers are now working towards a future where you never need to plug in ever again.

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Jul 18, 2019

Could the heat of the Earth’s crust become the ultimate energy source?

Posted by in category: energy

Generating electricity from geothermal energy requires devices that can somehow make use of the heat within the Earth’s crust.