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The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.

The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.

A crowd observes the match playing on the main stage at the StarCraft 2 championships in Providence, RI. Credit: Major League Gaming If there is one general rule about the limitations of the human mind, it is that we are terrible at multitasking. The old phrase united we stand, divided we fall applies equally well to the mechanisms of attention as it does to a patriotic cause.

I used to abide by a strict no-follow rule. Here's how one reader changed my mind.

The spreading of a liquid drop on a solid surface is a simple, everyday phenomenon. And while it is known that when a drop of oil is placed on a solid surface, its radius increases as its thickness decreases, the mechanisms underlying the process are still not well understood on a microscopic level, particularly at the moving edge between the liquid and solid, which is known as the "contact line" region.

Ex-Digg brainiac (by which we mean inventor and CEO) Kevin Rose has got a new baby: Milk. It's an idea incubator, specifically behaving like a development lab for "out there" ideas. It's targeting the mobile Net.