A Russian company is selling its Li-Fi based wireless LAN solution (a visible light communication technology that uses light from light-emitting diodes to deliver internet) in the U.S., Israel, China, and other countries.
The core of the network is a router that is capable of transmitting a signal using a light beam at a distance of up to 23-26 feet (7-8 meters). The signal can be transmitted to eight devices at once in other parts of an office, and access speed is four times faster than standard Wi-Fi. Li-Fi is unique in that it creates a digital binary code with a light beam, while Wi-Fi transmits data using radio waves.
With the Hollywood blockbuster Transcendence playing in cinemas, with Johnny Depp and Morgan Freeman showcasing clashing visions for the future of humanity, it's tempting to dismiss the notion of highly intelligent machines as mere science fiction. But this would be a mistake, and potentially our worst mistake in history.
Quantum computers promise to deliver a huge increase in processing power over conventional computers by using a single electron or nucleus of an atom as the basic processing unit. Researchers from Australia's University of New South Wales, the Australian National University, and the University of Melbourne have achieved a breakthrough that brings the prospect of a network of ultra-powerful quantum computers, connected via a quantum internet, closer to reality. The team has detected the spin, or quantum state, of a single atom using a combined optical and electrical approach. This was achieved with a single atom of erbium – a rare earth element commonly used in communications – embedded in silicon. The team used an ion implanter to shoot erbium atoms into a standard industrial silicon transistor. When the atom was in a particular quantum state and laser light was shone on it, an electron was knocked off the atom. This was detected electrically, by the silicon transistor switching on.
Inside the big red box sits a smaller one, about the size of a dorm fridge, called a Slingshot.
It was developed by Kamen, the mastermind behind dozens of medical-equipment inventions and, most famously, the Segway personal transportation device.
Kamen is the closest thing to a modern-day Thomas Edison. He holds hundreds of patents, and his creations have improved countless lives. His current projects include a robotic prosthetic arm for DARPA and a Stirling engine that generates affordable electricity by using “anything that burns” for fuel.
The Slingshot, more than 10 years in the making, could have a bigger impact than all of his other inventions combined.
Using a process called vapor compression distillation, a single Slingshot can purify more than 250,000 liters of water per year, enough to satisfy the needs of about 300 people. And it can do so with any water source—sewage, seawater, chemical waste—no matter how dirty.
Perhaps you’ve punched out a paper doll or folded an origami swan? TED Fellow Manu Prakash and his team have created a microscope made of paper that's just as easy to fold and use. A sparkling demo that shows how this invention could revolutionize healthcare in developing countries … and turn almost anything into a fun, hands-on science experiment.
National Defense Magazine 3D Printing Promises to Revolutionize Defense, Aerospace Industries National Defense Magazine General Electric has been funneling millions of dollars into 3D printing technology for years, said Steve Rengers, the lead of...
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