Energy & Green Tech

Solar cell material can recycle light to boost efficiency

Scientists have discovered that a highly promising group of materials known as hybrid lead halide perovskites can recycle light - a finding that they believe could lead to large gains in the efficiency of solar cells.

Electronics & Semiconductors

New material design for transistors could downsize next-gen tech

By better taming the Jekyll-and-Hyde nature of an alternative to the semiconductor—one that transitions from electricity-resisting insulator to current-conducting metal—Nebraska's Xia Hong and colleagues may have unlocked ...

Energy & Green Tech

Nanofluidic device generates power with saltwater

There is a largely untapped energy source along the world's coastlines: the difference in salinity between seawater and freshwater. A new nanodevice can harness this difference to generate power.

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Electric charge

Electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction. Electrically charged matter is influenced by, and produces, electromagnetic fields. The interaction between a moving charge and an electromagnetic field is the source of the electromagnetic force, which is one of the four fundamental forces.

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