A diode made from a semiconductor can generate electricity in the presence of light. Instructables user nevdull shows how to generate a modest amount of power by arranging four 1N4148 diodes in parallel.
DELAWARE, Ohio — About 30 miles north of Columbus, down the road from a Walmart and across the street from a Walmart-sized Baptist church, a brick-faced Victorian estate stands alone in a meadow of persimmons.
Gunmen have attacked the main prison in Niger's capital, Niamey, killing at least two guards, officials say. They are thought to be members of the Islamist militant group, Movement for Unity and Jihad
SAN FRANCISCO — Google must comply with the FBI's demand for data on certain customers as part of a national security investigation, according to a ruling by a federal judge who earlier this year determined
After months of political back-and-forth, top-level officials from US and China will meet next month to discuss agreements on cybersecurity and industrial espionage, reports The New York Times. The talks
In the push towards a stable release of CyanogenMod 10.1, the development team has published its third release candidate (RC) with a boat load of bug fixes including a fix for the preview issues seen using
Considered one of the best file navigators in our productivity apps round-up, Root Explorer has just received a massive update, bringing the application to version 3.0. While the app used to feel a bit
Simply put, Samsung dominates the smartphone world in terms of sales. The company sold 10 million Galaxy S4’s within a month, and this could quite possibly have to deal with its seemingly endless marketing
It's hard to remember life before we were bombarded with notifications throughout the day on all manner of devices, for everything from Twitter replies to earthquake alerts in Japan. With very few exceptions,
Silicon Valley venture capitalists like to crow that it’s now cheaper than ever to establish a startup company. While that may be true for internet firms, the amount of money required to fund a Silicon