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Submission + - How to measure to nanosecond resolution cheaply?

muxmux writes: Working with a somewhat quiet start-up dealing in a few nanos for some market feed gear. Yeah, crazy speeds, I know... Have traditionally used some third party 10G based timers with good trustworthy open source wireshark interfaces to show timing in tech demos. Nice gear but they are only accurate to about 20ns (125MHz clock accurate to 2-4 cycles) which is not quite good enough when trying to measure single digit nanosec overheads. Rather than dragging an expensive oscilloscope around to clients to highlight performance, can any one suggest a convenient and trustworthy way to show differences of about a ns?
Science

Submission + - Park Spark Transforms Dog Doo Into Light (gizmag.com)

ElectricSteve writes: It'(TM)s definitely a good thing that so many dog owners scoop their pooches'(TM) poop, but what happens to that waste after it's been bagged and discarded isn't so great... usually it ends up fermenting in a landfill, where it poses a health risk, attracts vermin, and releases harmful methane gas into the atmosphere. Pickling it and turning it into plant fertilizer is one option, but American conceptual artist Matthew Mazzotta would like to see it fed into digesters that use it to produce methane gas, which is then used for fuel. To that end, he has created a sort of demonstration project/art installation called Park Spark, at a dog park in Cambridge, Massachusetts. It features a lamp that lights the park at night, powered by nothing but canine doo-doo.

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