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europe

Pacemaker Okayed in Europe Is One-Tenth the Size of Those Used Now

Developed by Silicon Valley startup Nanostim, a device about the size of a AAA battery, or one-tenth the size of a conventional pacemaker, was recently approved for use in Europe. It is installed through a catheter in the femoral vein in a minimally invasive procedure. Then, for about 10 years it sits inside the ventricle of the heart and delivers its regulatory electrical pulses wirelessly.

Solar Continued Exponential Growth in 2012, But Politics May Stymie Growth

At any given moment, the sun bathes the earth in enough solar energy to power the world 10,000 times over. Capturing and converting that energy into usable electricity presents major technical challenges. And, for the time being, an international tangle of politics and prices complicates matters further.