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 ...

In a further hint at a new Apple Pencil and an exciting update to the erase feature, you can now erase Apple’s logo from its homepage, hours ahead of its ‘Let Loose’ iPad event starting ...

The pencil “lead” is actually a mixture of graphite and clay. More clay in the mixture makes the lead harder. A harder lead has a higher number. Pencils are numbered from 1-3 but most people use a ...

This tiny snail is not much bigger than a pencil eraser. Its body—most of it a muscular foot—is bumpy and brown, and its antenna-like eyes are almost translucent. A gland in the snail’s foot ...