How Do Chemical Handwarmers Work?

What is this magic, which allows heat to be made in a small packet, without flame or electricity? Surely it is made by wizards! Ah, but no. It's science! » 12/12/14 9:40am 12/12/14 9:40am

Surprisingly beautiful photographs of decaying cans of human remains

In a warehouse at the Oregon State Hospital (originally called the Oregon State Insane Asylum) contains an unusual library, one comprised not of books, but of copper canisters of unclaimed human remains. Photographer David Maisel has photographed what is left of the deteriorating portions of the asylum, as well as theā€¦ » 6/08/13 11:00am 6/08/13 11:00am

Your Alchemy Project for the Weekend

It always pleases me when I find science projects that I haven't done yet. This one, which allows people to use a couple of kitchen ingredients and a few pennies to make copper plating, seems especially promising. Just a little vinegar and you can feel like an old-fashioned alchemist. » 5/24/13 12:30pm 5/24/13 12:30pm