L40 Mixed Color Cube Various size For Home Or Office Toy Science Learning Cube Easter Prism Desktop Toy Home Ornament (WHL #76)
Electronics-free interlude for today.
That shameless advertising video from Vsauce
kickstarted my interest in those color-mixing (well, subtracting) “CMY” cubes.
A quick check of their website reveals their equally shameless pricing of 20/30/70 USD for 30/50/95mm cubes, ten bucks on top for international shipping, and, outside of their control, the local government slaps on another shameless 19% of VAT. Well, that’s 36, 48 or 95 USD=EUR for a novelty gadget. 1.32/0.38/0.11 € per cubic centimeter, to be precise. OK, cool but a bit steep. […]
I don' think a fully depleted lithium battery of any chemistry (MnO2, SOCl2, FeS) poses a risk at that size,…