Infinite mirrors are a fun party trick, but the physics behind this phenomenon explains why it may not be true. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the ...

Inventing often combines more than one old ideas into a new one. Even when the fused things are similar, the result can be more valuable than the sum of its parts. Unlike those analog watches with a ...

Most Hackaday readers are likely to be familiar with the infinity mirror, a piece of home decor so awesome that Spock still has one up on the wall in 2285. The idea is simple: two parallel mirrors ...