For years, the knife was the most commonly used tool to sharpen the wooden writing instrument known as a pencil (which historians believe was invented in the 15th or 16th century). But whittling the ...

Pencil sharpener how it works close-up #macro #urday #asmr ...

Yes, "The Campaign for the Accurate Measurement of Creativity" is a Kickstarter for a pencil sharpener attached to a mason jar. And yes, this is pretty silly. It's also, however, a worthwhile ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. April 5, 2017 Add as a ...

The mysteries of the universe rarely reveal themselves with such spontaneous clarity. I’m also pretty sure my toaster works the same way, just with tiny flamethrowers. [Tumblr via BuzzFeed] Explore ...

Created by Mike Moyer, the DIY nitro sharpener is made out of an RC toy car engine, pistons, and other parts, as well as the metal head of the type of old-fashioned manual pencil sharpener that was ...