News tagged with mechanical energy

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Cooling buildings worldwide

About 40 percent of all the energy consumed by buildings worldwide is used for space heating and cooling. With the warming climate as well as growing populations and rising standards of living—especially in hot, humid regions ...

Energy & Green Tech

Jul 12, 2018
52
4

Research into fish schooling energy dynamics could boost autonomous swarming drones

Researchers who want to realize autonomous swarming drones have studied the collective behavior of flocking birds and swarming insects, but a new study by a group of researchers at ETH Zurich has modeled the schooling behavior ...

Computer Sciences

May 28, 2018
42
0

Battery-free 'smart' toys move closer to commercial reality

Rubber duckies could soon be at the forefront of an electronic revolution. In ACS Sustainable Chemistry & Engineering, scientists report they have used specialized nanogenerators that gather energy from mechanical vibrations ...

Energy & Green Tech

May 09, 2018
21
0

Mechanical engineers leading effort to detect defects that reduce efficiency

As the world transitions to a low-carbon energy future, near-term, large-scale deployment of solar power will be critical to mitigating climate change by midcentury. Climate scientists estimate that the world will need 10 ...

Energy & Green Tech

Feb 20, 2017
301
0

Making high-performance batteries from junkyard scraps

Take some metal scraps from the junkyard; put them in a glass jar with a common household chemical; and, voilà, you have a high-performance battery.

Energy & Green Tech

Nov 02, 2016
1786
4