Although Macroswiss' giraffe pole could certainly lend our soldiers a hand in peeking across enemy lines, someone with a good bit of execution authority would rather we take a more direct approach to encroaching on the baddies. A Pentagon-based budget layout has revealed plans for an "ultrasonic curtain" to be constructed in a presumed attempt to "significantly" muffle vehicles and loud machinery in order to get our troops closer to foes without being noticed. While the actual construction plans aren't entirely laid out, the device will purportedly use "directed ultrasound technology to enable the capability to significantly reduce sound emissions from large scale tactical military hardware," and they hope to lower noise by "at least 30-decibels" in order to allows troops to operate in close proximity to the enemy without being detected aurally. Of course, cracking trees and unforeseen sneezes could still remain a problem, but there are already plans in place to "validate the theoretical models in laboratory settings," estimate the power required to sustain such a sound shield, and to design a finished product that can cover "a truck-sized vehicle." Sadly, it doesn't seem that this project will be integrating the invisibility cloak already discovered, so a flurry of bubble boy jokes is bound to arise.

Wired]

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