The Nyan Cat you see above is only 600 micrometers from head to tail. To put that into perspective, that’s about 10 times the diameter of a human hair. Also, that Nyan is etched into 200 ...

A one-of-a-kind digital rendition of the Nyan Cat meme from 2011 sold for about $590,000 in an online auction on Friday. Over the past few weeks, online sales of nonfungible tokens, more commonly ...