Historic shipwreck artefact up for auction
A relic which an RAF technician said he salvaged from the wreckage of a famous 18th Century ship is set to go under the ...
New Atlas3 天
Microwaving cords and cables: A recipe for copper and carbon black
Italian and Japanese researchers have developed a novel method to free copper wire from its PVC coating, by treating electric cables with microwaves. The technique could go a long way towards helping ...