Robotics

New energy source powers subsea robots indefinitely

When it comes to mapping new territory, NASA's record swamps Lewis and Clark's. And the space agency doesn't only chart other stars and planets—a vantage point from space also allows a great view of Earth. Now a recent ...

Energy & Green Tech

Fukushima region forges renewable future after nuclear disaster

Solar farms along tsunami-ravaged coastlines, green energy "micro-grids" and the experimental production of non-polluting hydrogen: 11 years after its nuclear nightmare, Japan's Fukushima region is investing in a renewable ...

Energy & Green Tech

Solution to energy storage may be beneath your feet

Anyone who has ever hot-footed it barefoot across the beach on a sunny day walks away with a greater understanding of just how much heat sand can retain. That ability is expected to play a vital role in the future, as technology ...

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