So, how does the rubber pencil illusion work? Let's start with the simple explanation: Your eyes and brain just can't keep up. When light enters your eyes, receptors called rods and cones pass a ...

Crossword-solving elites don’t use any old pencil to fill out a ... Ages 7 & Up. Gifts for 7‑year ... Sign up for Wirecutter's newsletter to get exclusive deals sent straight to your inbox.

There are some inventions that look completely pointless to the untrained eye: who would ever need a motorized garbage can, an electric pencil sharpener or a battery-powered eraser? Quite often, it… ...

The Apple Pencil has a number of different modes, and one of them is perfect for those who want to draw a straight line. In the Pencil’s tool set, you’ll notice a ruler tool at the end.