Haipai's Blog

Switzerland’s Solar Powered Plane Takes Off!

Tags: Sci, 飞机
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Ryan Ollerenshaw

A look at three “hot spots” on the surface of Venus reveals young volcanoes resurfacing the planet, finds the European Space Agency’s Venus Express orbiter. Read the rest of this entry »

Tags: Sci
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Payerne, Switzerland (AHN) – The prototype of the first solar-powered plane took off in Payerne, Switzerland Wednesday and stayed airborne for 87 minutes before touching down.

Test pilot Markus Scherdel guided the single-seat “Solar Impulse” that flew to a height of 3,900 feet and speed of 28 miles per hour.
Four 10-horsepower electric motors propelled the plane, which has a wingspan similar to an Airbus A340 airliner and weighs 3,527 pounds or a family-sized car. Read the rest of this entry »

Tags: Sci
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Google launches Buzz educational video aimed at teens

There was quite a privacy backlash after Google announced Buzz in February. The day it was announced, I was one of many who raised questions about both the privacy and safety implications of the service, including the fact that it is possible to use Buzz to disclose your location from a GPS-enabled mobile device. CNET’s Molly Wood was less charitable, calling Buzz a “privacy nightmare.” Read the rest of this entry »

Tags: Google, Tech
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Orbiter will listen for signs that Phoenix has revived after arctic winter

NASA's Phoenix Mars Lander, shown in this illustration, went silent in November 2008. Still, NASA hasn't given up hope that the lander may have received enough energy from the rising spring sun to wake itself up.

Tags: Sci
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It’s a stellar planetary lineup when Saturn, Mercury, Mars, Venus and Jupiter take to the heavenly field.

As night falls, Venus and Mercury will be visible low on the western horizon. Venus is very bright, and Mercury seems dim. At week’s end, Venus begins to climb in the west, as Mercury, initially stationary, eventually sinks.

Venus loiters at an amazing negative third magnitude, very bright, while Mercury is at first magnitude. Read the rest of this entry »

Tags: Sci
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