Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Bose-Einstein condensates (BECs) are fascinating states of matter that emerge when atoms or molecules are cooled to extremely ...

CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

Zahra has the best strike rate – 23 per cent – winners to runners among top Victorian jockeys since August 1, including 18 metropolitan victories. A Group 3 and three Listed wins headline the haul ...

Fitness trackers not only monitor your daily activity levels but also may help you take control of your health with features like stress tracking, heart rate monitoring, and daily movement reminders.

Abstract: The parallel-form switch-linear hybrid (SLH) envelope tracking power supply (ETPS) consists of a switchedmode converter and a linear amplifier connected in parallel. To reduce the power loss ...

Abstract: The inevitable issue of parameter mismatch in single-stage cascaded isolated medium-voltage ac–low-voltage dc (MVAC-LVDC) converters, proposed for medium-voltage (MV) utility-grid ...

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