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Li-Fi: Access the Internet Through LED Bulbs

Li-Fi: Access the Internet Through LED Bulbs | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it

Sir Alexander Graham Bell may be better known as the guy who invented the first ‘practical’ telephone, but the Scottish scientist laid claim to an arsenal of additional innovations. 

Among these were the photophone, a wireless telephone of sorts that enabled sounds (including speech) to be transmitted via light. It’s said that Bell actually valued the photophone more than the telephone from his lifetime achievements, even though it never quite took off and is now consigned to the footnotes of history.


===> The birth of Li-Fi <===


If you have a spare 13 minutes, Haas’s speech is worth a watch on the video...



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===> The birth of Li-Fi <===


If you have a spare 13 minutes, Haas’s speech is worth a watch on the video...


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Injectable, wireless LEDs help researchers understand brain activity

Injectable, wireless LEDs help researchers understand brain activity | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
John Rogers, inventor of dissolvable silk electonics and tattoos, has created miniature optoelectronic probes that can communicate with cells on their own scale.
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A MUST read!!!

 

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Strom ohne Kabel: Forscher funken Strom 5 Meter

Strom ohne Kabel: Forscher funken Strom 5 Meter | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Forscher aus Südkorea haben es erstmals geschafft, einen Fernseher drahtlos mit Strom zu versorgen. Sie überbrückten dabei eine Entfernung von 5 Metern. In Zukunft soll es nach dem Willen der Forscher WLAN-ähnliche Strom-Hotspots geben.
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Georgia Tech Researchers Show That Graphene Antennas Would Enable Terabit Wireless Downloads

Georgia Tech Researchers Show That Graphene Antennas Would Enable Terabit Wireless Downloads | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
Researchers calculate the potential of using graphene for ultrafast wireless communications.

 

A terabit per second could be done at a range of about one meter using a graphene antenna, which would make it possible to obtain 10 high-definition movies by waving your phone past another device for one second. Akyildiz and colleagues have also calculated that at even shorter ranges, such as a few centimeters, data rates of up to 100 terabits per second are theoretically possible.

 

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A terabit per second could be done at a range of about one meter using a graphene antenna, which would make it possible to obtain 10 high-definition movies by waving your phone past another device for one second. Akyildiz and colleagues have also calculated that at even shorter ranges, such as a few centimeters, data rates of up to 100 terabits per second are theoretically possible.


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http://www.scoop.it/t/21st-century-innovative-technologies-and-developments?tag=Graphene



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