Christian Brüggemann

Jun. 29, 2012

Meet the Energy-Saving Gadgets of the Future

Floors that generate electricity from footsteps. A GPS that outsmarts traffic jams. Innovations like these could be the next big thing--and we have student inventors to thank.

invention, energy, student inventors, STEM, science education, Microsoft Imagine Cup, Siemens We Can Change The World Challenge

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Michael Pollan Talks Plants and Food

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How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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