Spending months in transit does cause certain issues, adds CNN. The longer travel time can lead to more wear and tear to the ...

a new three-phase current source H7 (CH7) inverter is proposed in this paper. Only one additional Insulated Gate Bipolar Transistor is needed, but the leakage current can be effectively suppressed ...

[Simone Giertz] built a flip clock moon phase tracker for a friend. While in Egypt for Cairo Maker Faire, [Giertz] and [dina Amin] found some old flip clocks at a flea market and had to have them.

If you click on Friday's Google Doodle, celebrating the lunar cycle, you'll go into a click-to-play card battler that turns the moon's eight phases into your own personal combo deck. In the game ...

Abstract: This paper proposes 3 types of new direct space vector modulation methods for three-phase to three-phase matrix converters. The space vector modulation method allows a direct understanding ...

Here's what to know about May's special full moon and when to watch. A full moon is one of the lunar phases where the entire visible side of the moon, facing Earth, is illuminated by the sun.

Craters, ravines and mountain ranges tend to blend into the lunar surface during a full moon phase, rendering them hard to spot as the sun's light strikes the moon's surface head-on from our ...

I think we know who's supplying the c(r)atering for this dance party. The bright star Spica will appear to dance around Earth's moon on the night of May 9. Here's how to catch the celestial pair ...

Asteroid 9 Metis reaches at opposition at 2 A.M. EDT in the constellation Libra. The 10th-magnitude main-belt world is visible with binoculars or a telescope all night from sunset to sunrise.