Three years ago, the word “app” was rarely uttered outside of technical circles. But all that changed in June 2007, when Apple CEO Steve Jobs unveiled the long-anticipated iPhone, a device that has sold more than 50 million units and kick-started the global smartphone market as well as an entire ecosystem of associated services and applications that have come to be known simply as “apps.”
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Apple grabbed the exclusive rights this week for amorphous, non-crystalline metal alloys owned by Liquidmetal Technologies as part of what is presumably a plan to make even stronger, lighter electronic devices. The alloys are impressive--harder than titanium or aluminum alloys, scratch and corrosion-resistant, and ultra-light, according to AppleInsider. But Apple hardly owns the futuristic metal market. Below, some of our favorite innovative metal objects and alloys.
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Electric vehicles have more than technical hurdles to overcome: Some experts fear that the vehicles' environmental impact is no lighter than that of gas-powered vehicles. And the biggest concerns center on the vehicles' all-important batteries.
Now researchers have published the first in-depth environmental analysis of electric cars using lithium-ion batteries, and have found that they beat their gas-fueled counterparts
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