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Tag: Electromagnetic

EM-Sense Tech Lets Your Smartwatch Know What You are Touching

EM-Sense Tech Lets Your Smartwatch Know What You are Touching
I thought smartwatches were pretty smart already. I love not having to dig my phone out of my pocket to see who is calling and if I want to talk to them. Thanks to a new technology that was developed by scientists at Disney Research and Carnegie Mellon University, smartwatches are set to get lots smarter.

Miniature Machine Controlled by Heat and Electromagnetic Fields: TermiNature

Miniature Machine Controlled by Heat and Electromagnetic Fields: TermiNature
Last year we looked at Harvard University’s prototype for a robot that folds itself up from a flat shape into a spider-like form when exposed to heat. This small…device invented by MIT and TU Munich researchers has a similar feature, but I don’t know if I should call it a robot.
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iFind Bluetooth Locator is Powered by Ambient Electromagnetic Energy

iFind Bluetooth Locator is Powered by Ambient Electromagnetic Energy
Last year we talked about a concept device that charges AA batteries by harvesting the electromagnetic energy emitted by nearby electronic devices. WeTag Inc.’s iFind Bluetooth locating device uses a similar method to power itself, eliminating the need for replaceable batteries.

Cota Wireless Charging Technology: Wi-Fry

Cota Wireless Charging Technology: Wi-Fry
Wireless chargers already exist, but I’m not a big fan of the current setup because it’s not convenient at all. Sure, you don’t have to plug anything to your device, but today’s inductive chargers require that the device being charged remain in contact with the charging dock or platform.

Electromagnetic Harvester Concept Uses Ambient Energy to Charge Batteries

Electromagnetic Harvester Concept Uses Ambient Energy to Charge Batteries
Aside from generating heat, most electronic devices also emit electromagnetic fields. A rapid prototyping enthusiast named Dennis Siegel though of a way to tap into those fields and store them as usable energy by way of AA batteries.

Mr. Ghost EMF Detector Lets You Go on a Ghost Hunt with Your iPhone

Mr. Ghost EMF Detector Lets You Go on a Ghost Hunt with Your iPhone
Depending on the accessory, you can transform your iPhone into a video game console, a bottle opener, a wallet, a pepper spray, and now a ghost detector. Yes, all of these accessories except for the latter function are already available in the market today. 

Medicine Jet Injector Less Painful, More Awesome than Needles

Medicine Jet Injector Less Painful, More Awesome than Needles
If Ian Hunter and his team at MIT have their way, the serial killers and torturers of the future will have one less tool to brandish and freak out their victims. Hunter and his colleagues have engineered a jet-injection system that can administer drugs with less pain and more accuracy compared to syringes and hypodermic needles.

DataKiller Obliterates Hard Drive Data in a Second

DataKiller Obliterates Hard Drive Data in a Second
If you’ve got a bunch of data lying around on old hard drives, and want to make sure that nobody gets their hands on it, you could try reformatting the drives, but there’s always a chance that a data recovery service could pull the data off.

Quarters Shrunken Down to Size Through Electromagnetism

Quarters Shrunken Down to Size Through Electromagnetism
When I was growing up, I remember seeing a native tribe somewhere on TV or the movies who had a bunch of shrunken heads hanging around their huts. I seem to remember that they looked like dried up apples that had been carved out.

DARPA Suppresses Fire with Magic Wand

DARPA Suppresses Fire with Magic Wand
There are lots of ways to put out a fire, but most of them require some way to actually spray or douse the flames with the suppressant. This can cause problems in small or obstructed spaces.

Allergic to Wi-Fi? Go to West Virginia

Allergic to Wi-Fi? Go to West Virginia
The condition called Electromagnetic Hypersensitivity (or EHS for short) is pretty controversial. If you believe that it exists, then symptoms might include headaches, skin burning, muscle twitching and chronic pain. Those who believe they are afflicted by it blame it on exposure to electromagnetic fields from mobile phones, Wi-Fi and other equipment.

Rfiddler: Rfid Zapper Gun Terminates Rfid Tags for Good

Rfiddler: Rfid Zapper Gun Terminates Rfid Tags for Good
This badass looking weapon won’t hurt a fly – but it will kill any RFID tag you point it at. The Rfiddler gun can be aimed at unsuspecting RFID tags and destroy their data by simply overloading the tags with a very strong electromagnetic field.

War on Wires Update: Witricity Developing Wireless Power Using Magnetic Resonance

War on Wires Update: Witricity Developing Wireless Power Using Magnetic Resonance
Wouldn’t it be neat to be able to have WiFi-like access to electricity? While wireless power is by no means a novel concept – Thomas Edison and Nikola Tesla already explored the possibility of wireless power –  US-based company WiTricity claim that they have one of the most feasible methods of making the world a lot more wireless.

Reporter Subjected to Heat Ray

Reporter Subjected to Heat Ray
For some time now, there’s been buzz about the Military working on a new “crowd control system” which works by blasting people with an invisible, yet highly uncomfortable electromagnetic blast. Well it turns out that they did a little demonstration of the weapon on some members of the press back in January, and here’s a clip of the reaction of one such test subject: The device, known as the Active Denial System (which probably refers to the fact that the Military will actively deny using it if it ever comes to real world use) hits its victims with a non-lethal blast of EM radiation at a range of up to 500 yards away.
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