There’s a famous story (also proven false) that NASA spent millions of dollars inventing a pressurized pen that could work in the zero gravity of space, while Soviet cosmonauts just used pencils. A ...
A new kind of mirror is emerging from quantum physics labs, one that exists not as a chunk of polished glass but as a ...
More than 80 bronze mirrors made during the Western Han Dynasty were discovered in a large-scale ancient tomb in China. Although some 2,000 year old, many of the mirrors are still reflective and show ...