Thinking of a new hobby or maybe even a side hustle? Consider drawing graphite portraits. Editor’s note: Some finds are simply too good not to share. Let us guide you on some of the best deals out ...
WE’VE been putting pencil to paper to write and draw for centuries. But it turns out that the marks we have been making with graphite pencils contain minuscule flakes of a two-dimensional material ...
A discovery brings graphene -- thin layers of pencil 'lead' -- one step closer to replacing silicon in future technologies such as faster and smaller microprocessors. Graphene consists of extremely ...