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The Sun rises after 3 months of darkness

The Sun rises after 3 months of darkness 1

The Sun rises in Antarctica after 3 months of darkness. A view of the remote Antarctic base Concordia as the Sun returns after over 3 months of darkness. The base is 3200 m above sea level and temperatures drop to –80°C. Image © ESA–V.Kaimakamis

By |August 26, 2013|Categories: Natural phenomena

First historic fly of X-47B combat aircraft without a pilot

X-47B

It seems like science fiction, a combat aircraft without a pilot that is capable of flying itself, making its own decisions, neutralizing threats, and taking off and landing on an aircraft carrier.

By |February 10, 2011|Categories: Aviation