I'm reading Randall Munroe's book How To: Absurd Scientific Advice for Common Real-World Problems. I probably don't have to tell you this, but it's awesome (as is everything from Randall Munroe, the ...

It's always a good idea to keep a good multitool around. If you find yourself without one, though, you can snap even a strong length of string with this trick. As shown in the videos above, you can ...