logoalt Hacker News

teh_infallibletoday at 8:38 AM2 repliesview on HN

I always wanted to replicate this with a helium balloon and a long, wet string coated with copper filings.


Replies

batch12today at 10:25 AM

You'd probably need a very large balloon to overcome the weight of the string

CamelCaseCondotoday at 10:24 AM

Maybe just salt water and skip the filings?