Makerbot founder Bre Pettis demonstrates his 3D printer, which has the capability to make anything from toy cars to bottle openers to Darth Vader helmets. Pettis touts the growing success of Makerbot, saying "I think we're in a time where if you don't have one, your neighbor will have one."
Scientists unveil starfish-inspired wearable tech for heart monitoring
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When we move, it's harder for existing wearable devices to accurately track
our heart activity. But researchers found that a starfish's five-arm shape
help...
11 hours ago
