Possibly the creepiest thing we’ve seen all season, here’s mercury(II) thiocyanate’s decomposition initiated by heating. The terrarium adds a nice effect, like we’re watching some kind of sand monster out of Star Trek. Video queued to 1:20, when the action starts. One Facebook commenter noted, “I guess when you burn mercury thiocyanate, it opens up a portal to hell.” [Thanks, Laura!]


Mercury thiocyanide = gross/awesome

In the Maker Shed:



Illustrated Guide to Home Chemistry Experiments


Becky Stern is a Content Creator at Autodesk/Instructables, and part time faculty at New York’s School of Visual Arts Products of Design grad program. Making and sharing are her two biggest passions, and she's created hundreds of free online DIY tutorials and videos, mostly about technology and its intersection with crafts. Find her @bekathwia on YouTube/Twitter/Instagram.

View more articles by Becky Stern