Learn how to do a fabric burn test so that you can figure out the fiber content of the fabric. It’s great for that mystery fabric in your stash! Sometimes you get fabric when someone cleans out their ...

SHELDON: -- JASON: WELCOME BACK. WE’VE GOT A NEW ACTIVITY FOR THE SCIENCE OF IT. HERE’S FIRST WARNING METEROLOGIST ALEX ALECCI TRYING OUT AN EXPERIEMENT INVOLVING CHEMISTRY. ALEX: WELCOME TO THE ...