Half a croissant, on a plate, with a sign in front of it saying '50c'
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Ice Thickness Sensing Boots

Be sure, be safe.
  [vote for,

New form BorgCo for the Winter season, a pair of warm, comfortable snow boots with a calibrated microwave or ultrasonic measuring system integrated into the sole or heel.

They are activated and adjusted by a handheld wireless remote control.

The wearer inputs their mass. Based on the current temperature, the mass value, and the known strength of sheet ice, plus a "factor of safety", the system sounds an alert when the wearer first steps onto ice with liquid water beneath it, and an alarm when the thickness diminishes to the point where its strength is less than the preset safety margin.

8th of 7, Jan 08 2010


       Why should the wearer have to input their mass? Just incorporate a load plate to weigh in use.   

       With the microwave or ultrasound it's going to be ridiculously expensive already anyways, won't add much cost.
sairy_gamp, Jan 08 2010

       I love this and would bun twice if allowed. (++)
MisterQED, Jan 08 2010

       Is the sensor really limited to detecting the thickness directly beneath the boot? Can't it interpolate from the oblique signals, so as to infer the thinning of the ice?   

       Can it be fitted with ejection rockets in case of the ice cracking?
pocmloc, Jan 08 2010

       "It's OK. I have these special boots that send powerful microwaves into the ice to measure its thickness. The display says it's seven inches thick. No...wait....six inches....no, hang on....five..."
MaxwellBuchanan, Jan 08 2010

       // warns you before you step on weak ice //   

       Hence the "safety margin" calculation ...   

       // ejection rockets //   

       Of course ....
8th of 7, Jan 08 2010


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