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In spite of the consumer love affair with high-tech tablets and other digital devices, people are still enthusiastic about making their mark using low-tech, graphite-lead pencils. That gave pencil ...

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 ...

Humans have not set foot on the moon since Apollo 17 in 1972, but those missions are still producing surprises. An analysis of a collected rock has produced the first solid evidence for graphite, the ...

For simplicity, I tend to use a #2 graphite pencil for most of my deep-sky drawings. After all, a pencil and paper are all that’s really needed to record an observation. Is a minimalist approach the ...