Zothecula writes “There was a time not so very long ago when people who wanted satellite TV or radio required dishes several feet across. Those have since been replaced by today’s compact dishes, but now it looks like even those might be on the road to obsolescence. A recent PhD graduate from The Netherlands’ University of Twente has designed a microchip that allows for a grid array of almost-flat antennae to receive satellite signals.”

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kaulike writes “The European Space Agency’s GOCE satellite, launched in March 2009, has provided a spectacular, highly detailed map of our favorite gravity well. This map shows the normalized surface of the earth as defined by gravity, showing the relative altitude differences from the average for each surveyed point. The article provides the helpful metaphor that a ball resting on this surface would not roll anywhere, even though there would be visual (more…)

An anonymous reader writes with this excerpt from Wired:
“The United States is in danger of losing its ability to monitor key climate variables from satellites, according to a new Government Accountability Office report. The country’s Earth-observing satellite program has been underfunded for a decade, and the impact of the lack of funds is finally hitting home. The GAO report found that capabilities originally slated for two new Earth-monitoring (more…)

After analyzing 50 million laser measurements from a NASA satellite, British scientists at the British Antarctic Survey (BAS) have painted a frightening picture for Greenland, with ice sheets melting at extreme rates.

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We take a look at some groundbreaking technology advances and deployments in recent months.

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