15/07/2019

Energy & Green Tech

How do lithium-ion batteries work?

The smartphone era is only just over a decade old, but the pocket-sized computers at the heart of that societal transformation are only really possible because of another technology: lithium-ion batteries.

Engineering

New dual-propeller drone can fly twice as long

EPFL startup Flybotix has developed a novel drone with just two propellers and an advanced stabilization system that allow it to fly for twice as long as conventional models. That fact, together with its small size, makes ...

Other

Dirty bomb simulator prepares responders

If a radiological dispersal device (RDD), or "dirty bomb," ever explodes in the United States, emergency crews may be better prepared because of a simulator developed by an Lawrence Livermore National Laboratory (LLNL) visualization ...

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