Add Yahoo as a preferred source to see more of our stories on Google. 3D optical illusion drawing hack We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of ...

Artist James Nolan Gandy invents robot arms that sketch intricate mathematical shapes with pen and paper. When viewed in real time, the effect is impressive. But it becomes even more so when the ...

Optical illusions are no doubt interesting. At the same time, they often leave people baffled. Just like this optical illusion that may leave you scratching your head. What is even more interesting is ...

A pencil and a paper is all you need to draw these magical anamorphic black holes that will make your brain think that there is a whole different dimension under your table. Explore more on these ...

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That's what artist Stefan Pabst did with the cute little spider he created from scratch using only a graph paper tablet and a pen—if by "little" you mean "terrifyingly large" and by "cute" you mean ...