How Printers Work
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With 3D printing you can print not just pictures and words, but actual objects from files. And as costs come down, the list of things you can print expand: from food, to organs, to guns.
3D Printer of the Gods II: Oh, you're into 3D printing? How 20 years ago. It's one thing to print in the three spatial dimensions, quite another to factor in the fourth dimension of time. But it's happening. And in this episode of Stuff to Blow Your Mind, Julie and Robert brea ...
The alt-f4 key combination is a faster way to close a window on your computer. Learn more about this and several other keyboard shortcuts in this podcast from HowStuffWorks.com.