Infrared emissions above the epicenter increased dramatically in the days before the devastating earthquake in Japan, say scientists.
“Transparency reports” reveal insights about the requests made in the name of national security—including information that was previously kept secret.
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Though still volatile, Bitcoin is surging in value and being spent more freely; it’s also inspired a legion of competitors.
By tracking an older person’s movements at home, a new wearable device could help predict serious changes in health.
Augmented reality hasn’t yet lived up to its promise, but it could catch on in situations where it makes employees more efficient.
Bitcoin itself may fail as a currency, but the underlying technology is beginning to suggest valuable new applications.
In a significant step forward for all-optical computing, physicists build a silicon transistor that works with pure light
If it can convert natural gas to transportation fuels and commodity chemicals, it could reduce our dependence on oil.