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Turbulent Hydro
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Dezeen
Posted in energy, sustainability, transportation
Circa 2016
Scientists have developed a novel system that recovers energy normally lost in industrial processes.
Each year, energy that equates to billions of barrels of oil is wasted as heat lost from machines and industrial processes. Recovering this energy could reduce energy costs. Scientists from Australia and Malaysia have developed a novel system that is designed to maximize such recovery.
Heat can be converted to electricity by devices called thermoelectric power generators (TEGs), which are made of thermoelectric materials that generate electricity when heat passes through them. Previous studies have attempted to use TEGs to recover energy from the heat generated by, for example, car engines, woodstoves and refrigerators. However, TEGs can only convert a small amount of the heat supplied to them, and the rest is emitted as heat from their “cold” side. No previous studies have attempted to recover energy from the waste heat that has already passed through TEGs. Researchers from Malaysia’s Universiti Teknologi MARA and RMIT University in Australia set out to develop a system that can do this.
Mercedes-Benz used the LMP all-solid-state batteries on the eCitaro, but it is not like it used to be, according to BlueSolutions. Check their evolution.
The Higgs mode associated with the amplitude fluctuation of an order parameter can decay into other low-energy bosonic modes, which renders the Higgs mode usually unstable in condensed matter systems. Here, the authors propose a mechanism to stabilize the Higgs mode in anisotropic quantum magnets. They show that magnetic anisotropy gaps out the Goldstone magnon mode and stabilizes the Higgs mode near a quantum critical point. The results are supported by three independent approaches: a bond-operator method, field theory, and quantum Monte Carlo simulation with analytic continuation.
The cargo ship of the future is coming.
A wind-powered super sailboat could change how we ship cargo, reducing energy-related carbon emissions in a method still used by 90 percent of manufactured goods. The Wallenius Marine OceanBird can carry 7,000 cars at a time and is powered totally by wind.
🚢 You like badass boats. So do we. Let’s nerd out over them together.
As renewable energy generation grows, so does the need for new storage methods that can be used at times when the Sun isn’t shining or the wind isn’t blowing. A Scottish company called Gravitricity has now broken ground on a demonstrator facility for a creative new system that stores energy in the form of “gravity” by lifting and dropping huge weights.
If you coil a spring, you’re loading it with potential energy, which is released when you let it go. Gravitricity works on the same basic principle, except in this case the springs are 500- to 5,000-tonne weights. When held aloft by powerful cables and winches, these weights store large amounts of potential energy. When that energy is needed, they can be lowered down a mineshaft to spin the winch and feed electricity into the grid.
Gravitricity says that these units could have peak power outputs of between 1 and 20 MW, and function for up to 50 years with no loss of performance. Able to go from zero to full power in under a second, the system can quickly release its power payload in as little as 15 minutes or slow it down to last up to eight hours.
The electric-car maker could benefit from improving profitability on vehicle sales and huge growth in its nascent energy business.
Solid Power started to deliver the first generation of its all-solid-state batteries to strategic partners. They are lighter and more powerful than NMC.
Renewable energy is now richer than the Oil industry.
In yet another sign of the pace of the global energy transition – and the massive switch taking place in the investment community – the market value of company that describes itself as the world’s biggest producer of wind and solar power, US utility NextEra, has overtaken that of what used to be the world’s most valuable company, oil major ExxonMobil.
The flip occurred last last week, when NextEra overtook ExxonMobil to become the largest energy company in the US by market value. As Forbes reported, an investment in NextEra a decade ago would have delivered to return of 600 per cent, while an investment in ExxonMobil would have returned minus 25 per cent.
The shift is as significant as the one the world has seen in the auto industry, with electric vehicle maker Tesla overtaking the biggest car companies in the world in the last year, to the point where it is now valued at more than the next five biggest global car makers combined, despite producing just a fraction of the number of cars.
