Tag: energy and environmental science

Absolute vs. relative efficiency: How efficient are blue LEDs, actually? LEDs are the ultimate lighting source

The absolute internal quantum efficiency (IQE) of indium gallium nitride (InGaN) based blue light-emitting diodes (LEDs) at low temperatures is often assumed to be...

Fluorine-based new drug synthesis at lightning speed

How short is one second? The duration of a second can be defined as one 86,400th of a 24-hour day. A bullet train traveling...

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