New Scientist on MSN
Static electricity can remove frost from windows using little energy
High-voltage copper plates can remove up to three-quarters of frost from a surface, while using much less energy than ...
Engineeringness on MSN
How Do LEDs Make Light From Electricity?
They’re in your phone, TV, car headlights, remote controls—even traffic lights. LEDs (Light Emitting Diodes) are everywhere.
This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...
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