As another plus, this carbon-14 is derived from graphite blocks, which are a byproduct of nuclear fission reactors. So, not ...

Lithium-ion batteries are part of everyday life. They power small rechargeable devices such as mobile phones and laptops.

A train designed to run forever also uses a similar type of gravity battery process, which recharges whenever the train goes down hills, allowing it to run for as long as the track gives it ...