Tick, tock: It’s a truck clock
Here’s an idea: Take 14 tractor-trailers and 90 drivers out to a deserted airfield and create a giant 750,000 sq. ft. “clock.”
And operate said clock for 24 straight hours, keeping accurate time down to the exact second.
[Somebody start brewing coffee – LOTS of it!]
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Source:: http://fleetowner.com/blog/tick-tock-it-s-truck-clock