You can't hide the batteries when it's transparent!
Why the open web links it
A clever engineering demonstration simulating perpetual motion using transparent components to create an illusion.
Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including hackaday.com, joyreactor.cc, mdig.com.br, blogforboys.net, functionallyimperative.com.