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TechFlying Leap
In the history of human flight, first came the daring tinkerers who gave wings to the pent-up human desire to soar. In the wake of their successes came a remarkable proliferation of flying machines, spacecraft, and colorful characters. At this Web site, the American Institute of Aeronautics and Astronautics celebrates these achievements with an annotated […]
By Science News -
AstronomyMagnetic flip heralds solar max
Scientists have found another indicator that the sun has reached the maximum of its current activity cycle: The polarity of its magnetic field has reversed.
By Ron Cowen -
AstronomyIn moon race, Saturn is still champ
New discoveries have raised the retinue of Saturn's known moons to 30, making the ringed planet the solar system's champ.