We’ve already seen a pen with silver-based ink, that lets its user draw electrical circuits on ordinary paper. Now, scientists from MIT have brought similar “hands on” technology to the humble pencil ...

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Plasma irradiation removes graphite from the pencil lead, exposing a thin layer of clay. By controlling the exposure time, the thickness of this layer can be varied to modulate the infrared (IR) ...

Lead is a grey or silver-white soft metal. We've been using lead for thousands of years, because it's so useful. Unfortunately, lead is quite toxic to humans, which is why we have mostly replaced it ...

Pencil, a derivative of the Latin word pencillus for "little tail," originally described a small, fine, pointed brush. N. J. Conte, in 1795, successfully produced pencils, after the later famed Faber ...

MYSURU: With a surgeon’s knife and needle in hand, he gets to work on a pencil lead! A couple of hours later, the graphite has magically transformed into something or someone familiar. Sometimes, the ...