I decided to hunker back down in my laboratory (aka, basement) to see if I could get the darn thing to finally work. I approached the project with a new tool: very, very low expectations. I am beginning to think that may be the secret to success in a variety of situations. Continue reading “Penny Batteries Part II: A Wee Success”
I won’t mention that it’s been unseasonably warm and sunny here, because people suffering in winter wonderland get a little huffy about that. They’ll have the last laugh when I sink into the ocean, though.
Whatever the weather, it never hurts to be prepared. Below are instructions for making an unbelievably simple flashlight that can live in your wallet/backpack/glove compartment/bedside table. You will be ready for any power outage, midnight snack emergency, or for when you drop a $20 bill in a dark movie theater. NEVER use this to illuminate the bottom of your theater seat, however. Nothing can prepare you for what lurks there. Continue reading “Pocket Flashlights!”
Gina and Beret are mostly off-duty this week, but we thought we’d remind you of a few past projects to tide you over during what remains of the holidays. Here are projects that are easy, fun, and use common household materials. String of lights? Check. Alka-Seltzer? Check. Put those holiday items to a new use. Continue reading “A Blast from the Past”
Literally, writing with color. In scientific practice, chromatography is a set of processes by which a mixture is separated into its component parts, generally by moving it through paper or gelatin. This can involve some very sophisticated equipment and compounds.