Here’s a very nicely done DIY liquid nitrogen generator from Ben Krasnow, the guy who brought you the DIY scanning electron microscope.
Great build!
DIY LN2
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Category Archives: chemistry
The Periodic Table of Videos
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.