* Photo: Tom Schierlitz * What it is: Envirosight SuperVision 250
What it's used for: Revealing damage deep inside city pipes
You go, you flush: out of sight, out of mind. Not for city maintenance crews. With 850 billion gallons of sewer and storm water leaking into watersheds around the country every year, the Environmental Protection Agency is cracking down on cracked pipes. And the SuperVision 250 is riding that great, stinky wave of demand. Placed in pipes 10 to 72 inches in diameter, this little guy will track down splits, debris, corrosion, and breaks. Operators can watch the video feed from the 10X optical-zoom autofocus camera and use a joystick to pan and tilt. A ring of high-intensity, shadowless LEDs illuminates the scene; dual lasers help size up defects. A sapphire window shields the camera lens, while hardened stainless steel parts protect the crawler from the harsh sewer environment. And thanks to an ultrathin, Kevlar-reinforced tether (sorry, no wireless), the bot can crawl up to 1,640 feet through even heavily obstructed pipes. Just make sure to hose it off when it comes back.
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