Real Mjolnir (Thor's Hammer) - Electromagnet, Fingerprint Scanner | Sufficiently Advanced
Why the open web links it
A working replica of Thor's hammer with an electromagnet and fingerprint scanner to control its weight.
Linked by 19 independent sites, 4 of them widely read in the 2026-10 crawl of the open web, including hackaday.com, uiowa.edu, popsci.com, inverse.com, xataka.com.