Instapaper buys itself back from Pinterest

Back in 2013, developer Marco Arment sold his popular read-it-later app Instapaper to Betaworks, the company that had previously acquired Digg. Two years ago, Pinterest bought the little company to “accelerate discovering and saving articles on Pinterest.” Now, the very same team that’s been working on it for the past five years is taking Instapaper […]

Hybrid device harvests both mechanical and magnetic energy

A new hybrid energy-harvesting device may one day replace the need for batteries in certain low-power electronics devices. The new device collects ambient wasted energy from both mechanical vibrations and magnetic fields to generate sustainable electricity, which could potentially provide enough power to run wireless sensors, cardio pacemakers, and other applications. The researchers, led by […]