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WATCH: Are DARPA's dissolvable electronics the future of espionage?

This tiny silicon sensor disappears when you add just a few drops of liquid

America's Defense Advanced Research Projects Agency (DARPA) doesn't want our military technology to fall into enemy hands, where it could be studied, reverse engineered, and possibly used against us. That's why the Pentagon's research arm is investing significant resources into developing battlefield electronics that, literally, disintegrate on command.

Above is a small piece of hardware that's part of a program called VAPR, or Vanishing Programmable Resources. Essentially, it's a thin sheet of programmable silicon, magnesium, and silk that dissolves when liquid is introduced. Imagine littering a battlefield with VAPR sensors to collect intel on the enemy. Once our soldiers complete their objective, a button is pressed, liquid is introduced, and hundreds of sensors quietly vanish in the blink of an eye. While self-destructing technology is nothing new, these electronics don't leave any blown-up parts behind to collect. Researchers even imagine implanting them in our soldiers' bodies to monitor their health remotely.

Next month, DARPA is inviting a who's who of scientists and manufacturers interested in the technology to brainstorm ideas for how to effectively utilize it. "Forget about a kill switch," says Spencer Ackerman at Wired. "Welcome to the age of suicidal sensors." (Via Wired)

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