Theodore GrayDiySave a snowflake for decadesAll it takes is a drop of chilled superglue.By Theodore GrayDecember 27, 2017DiyGray Matter: A Venturi Pump That Shoots Fire A pump that goes from blow to suck with no moving partsBy Theodore GrayAugust 30, 2013DiyGray Matter: Watch A Hybrid Rocket Burn From The Inside OutSeeing through a rocket engine is easier than you might think.By Theodore GrayMarch 18, 2013DiyGray Matter: How To Make Cheap Fake GoldCast your own bogus bullion.By Theodore GrayJanuary 28, 2013ScienceGray Matter: Finding Water Where It's Least ExpectedFree the trapped H20 for some deep-fried deliciousness.By Theodore GrayNovember 27, 2012ScienceGray Matter: Smart Chemistry Builds Gluten-Free Bread With Some BiteFood scientists hunt for the elusive "Goldilocks molecule" that makes gluten-free bread just right.By Theodore GrayNovember 9, 2012DiySpontaneous Combustion Is Easier Than You ThinkPlaying with fireBy Theodore GrayOctober 18, 2012DiyScience Of Theft: Freeze A Bike Lock With Canned Air, Then Smash It With A HammerThe fatal flaw of bike locks: Freezing one makes it easy to bust open. Check out video of some DIY bike theft inside.By Theodore GraySeptember 24, 2012ScienceGray Matter: Extracting Bismuth From Pepto-Bismol TabletsThere's heavy metal in the pink pillsBy Theodore GrayAugust 29, 2012DiyGray Matter: In Which I Play With White PhosphorusOne of the nastiest substances on Earth creates a beautiful glowBy Theodore GrayMay 16, 2012DiyGray Matter: Want a Chemical Reaction Without Heat? Add a CatalystHow does this copper earring glow without any flame or current?By Theodore GrayApril 18, 2012DiyGray Matter: In Which I Dip My Finger In Molten LeadThe true test of trust in scienceBy Theodore GrayMarch 7, 2012DiyGray Matter: Recasting The Highly Hazardous Toys of the PastGives new meaning to the term "getting the lead out"By Theodore GrayFebruary 8, 2012DiyInstant Kool-Aid is a Marvel of TechnologyA glass of instant Kool-Aid requires eight ounces of water and a surprising amount of innovationBy Theodore GrayDecember 29, 2011DiyGray Matter: When Tomato Meets MagnetMagnets don't have to be big to produce deadly force, as this slow-motion tomato-pulverizing video showsBy Theodore GrayDecember 14, 2011DiyGray Matter: The Fire BirdDeep-frying a turkey can be a delicious Thanksgiving treat—or a deadly conflagration, as our rather dramatic video showsBy Theodore GrayNovember 22, 2011DiyGray Matter: Big Bang TheoryAlkali metals react strongly with water—but which one creates the biggest explosion?By Theodore GrayOctober 6, 2011DiyGray Matter: Easy DIY GunpowderWhile other kids played cops and robbers, our columnist made his own explosives. See how to make your own in our videoBy Theodore GrayAugust 18, 2011DiyGray Matter: Fire In The HoleChemicals can turn any tree stump into virtual gunpowderBy Theodore GrayJuly 7, 2011ScienceGray Matter: Calcium Carbide Reactions Can Light Up a Room--or Fill it With NoiseThe same science powers bright carbide lamps and loud toy cannonsBy Theodore GrayApril 28, 2011
