Researchers Develop Battery That Runs on Renewable Organics
Swedish scientists have created a smart, eco-friendly battery that runs on alfalfa and pine resin. The recyclable power source provides about as much power as a regular lithium battery.
Despite their relative efficiency, modern lithium batteries come with a lot of environmental baggage. Scientists at Sweden's Uppsala University, seeking to develop a more eco-friendly alternative, have created a new smart battery made from organic materials that they say produces just as much power as its lithium counterpart. Plus, it's recyclable:
"Components of the battery are made of renewable organic biomaterials from alfalfa and pine resin, and can be recycled with a low energy input and non-hazardous chemicals, such as ethanol and water."
The recycling aspect is revolutionary as it allows for a simple process to extract materials from a drained battery in order to create a new one that works 99% as well as its predecessor. Previously, any leftover lithium remaining in a spent battery would end up in a landfill.
The scientists' study heralds the innovation as a major step forward for lithium-efficiency. Modern lithium batteries are wasteful, cannot be easily recycled, and rely on non-renewable resources. The smart battery exceeds its competitor in all three of those ways. Dr. Daniel Brandell, one of the lead researchers, also told Science Daily that a turn toward batteries made of renewable resources will also prove to be cost-effective in the long run.
Read more at Science Daily
Check out the study here
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Research by neuroscientists at MIT's Picower Institute for Learning and Memory helps explain how the brain regulates arousal.
The big day has come: You are taking your road test to get your driver's license. As you start your mom's car with a stern-faced evaluator in the passenger seat, you know you'll need to be alert but not so excited that you make mistakes. Even if you are simultaneously sleep-deprived and full of nervous energy, you need your brain to moderate your level of arousal so that you do your best.
A disturbing interview given by a KGB defector in 1984 describes America of today and outlines four stages of mass brainwashing used by the KGB.
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