Researchers Have Built A Device That Gets Electricity From The Coldness Of Space

Without the Sun, the Earth would slowly cool down. This fact is particularly evident on clear nights, when the heat of our planet, unblocked by clouds, spreads into the darkness of space. Now researchers from Stanford University have developed a device that can take advantage of this heat flow and create electricity. The experimental device is …

Legendary Medieval African Gold Purification Technique Proven To Work

Sometimes a story that appears too good to be true, actually turns out to be real. Accounts from the 11th century of West African gold coins of unsurpassed purity were dismissed as exaggerations by modern historians. However, after evidence was found in 2014 to support the tales, material scientists have reconstructed their method of purification …

Dual Function Power Generator Can Make Electricity From Seawater

Devices needing to operate remotely for long periods underwater, like subs and diving robots, are currently limited by their batteries. That could change with the announcement of a device that can produce electricity from seawater in two ways, one offering slow sustained power, the other can be used for short bursts where the need is …

Thousands Sign Up For Bitcoin Scavenger Hunt Offering $1 Million Reward

Buckle up your bootstraps and stretch out your hacking fingers. A new digital-meets-physical-world international scavenger hunt is offering up a prize of $1 million in Bitcoin to the winners. Satoshi’s Treasure pairs logic with more traditional scavenger hunt practices in both the digital and real worlds. First reported by cryptocurrency news site CoinDesk, the hunt consists of a …