Useful Useless Fact: How to make emergency eyeglasses
Todays Tip: You can make a simple cardboard version by cutting out a piece of cardboard in the shape of glasses, and using elastic (I’ve used rubber bands) to attach it to your head, or cut out cardboard earpieces. Poke several pinholes in the cardboard, about 1/10 inch (2.5 mm) apart. [via]
As always, you can see all the previous tips and read the disclaimers here.
