ANU laser tech aboard gravity mapping, water movement space mission
Although gravity is often assumed to be a constant, it actually varies depending where you are on Earth.
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'Do not track'? Oh what the heck, go ahead
Chalk up another victory for corporate surveillance: Five years after advocates came up with an easy way to let you browse the Web with just a little privacy, the Do Not Track system is in tatters and that pair of boots you looked at online last month is still stalking you from website to website.