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 ...

Facebook's $2 billion (£1.2 billion) acquisition of Oculus Rift has reopened conversation about the potential of virtual reality, but a key question remains: How will we actually interact with these ...

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Stepper motors are great for projects that require accurate control of motion. 3D printers, CNC machines and plotters are often built using these useful devices. [InventorArtist] built a stepper-based ...