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 ...

Hindustan Pencils Ltd., born from the passion of three friends in 1958, became a global leader in stationery, shaping the childhood memories of millions with its iconic Nataraj and Apsara pencils.

When I was in grade school, we bought pencils by the dozen. We also bought separate rubber erasers to supplement the pencils. We knew the tiny eraser on the pencil top would wear out long before ...

This polymer sponge works like a pencil eraser. The active ingredient is melamine (a nitrogen-rich organic base) that acts as a mild abrasive, lifting the staining material. As it does ...