Iron filings can be fun to play with, although we don’t think we’ve ever had any this fine. If you prefer your magnetic field visualizations to be higher-tech, we have the answer.

Bullish - Video. Magnetism Experiments: Bar Magnets, Iron Filings & Compass Science. Posted: April 8, 2025 | Last updated: April 8, 2025. The video explains the concepts of magnetic, electric, and ...

If you’re not sure the novelty of putty that reacts to magnets will hold your attention long enough to spend $15 on a whole can of it, Dave Hax shows you how to make your own on the cheap using ...

Moon mining for space dust; dumping iron filings in the sea, and creating an enormous space parasol are some of the most bizarre ideas put forward by scientists to tackle climate change.