Electroetching a recrystallized tungsten wire in 2.5 molar sodium hydroxide solution. The cathode is a hunk of highly ordered pyrolytic graphite.
I’m doing a couple of test etches. If all goes well, one will become a new emitter for Milly.
Here’s a very nicely done DIY liquid nitrogen generator from Ben Krasnow, the guy who brought you the DIY scanning electron microscope.
Curious about a particular element? Check out the Periodic Table of Videos: a collection of short vids about each element, starring my favorite mad chemist, Martyn Poliakoff.
Of course, if you’re after more of a visual reference of elements, The Periodic Table by Theodore Gray can’t be missed.