Instant Ice
Another Web-Classic via shazycrit
Weird and Scary Chemical Reaction (NH4Cr2O7 and HgSCN)
Why is this stuff growing tentacles faster than an alien? Weird powder. I wonder what it is producing if they use more than just a spoonful of that red stuff.
Creating an invisible Bottle
Make a bottle disappear before your very eyes. Super easy experiment with amazing results! Via