Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

A SpaceX Falcon 9 rocket launched the MTG-S1 weather satellite for EUMETSAT today (July 1), then came back down to Earth for a landing on a ship at sea.

GCSE AQA Solving linear equations - AQA Solving equations Forming, using and solving equations are skills needed in many different situations. From balancing accounts to making sense of a mobile ...

GCSE AQA Straight line graphs - AQA The equation of a line through two points Graphs show the relationship between two variables and are often seen in newspapers and the media. People who work in ...

In 1970, working with Kent Ford Jr, they observed that outer stars orbiting in the Andromeda galaxy were all doing so at the same speed. Examining more galaxies still, they found that their rotation ...

Orbital Period: 88 Earth days Average Orbital Speed: 47.36 km/s Equatorial rotation velocity: 3.026 m/s It’s interesting to note that for a long time, people thought Mercury was tidally locked with ...

When a SpaceX Dragon vehicle returns a crew of astronauts, the vehicle has to be slowed down from its orbital speed of 17,500 miles per hour to about 350 miles per hour, when its small “drogue ...

Naturally, the closest approach is in January. In terms of the seasons, distance from the sun is way less important than the tilt. But, like the rest of us, the Earth slows down a bit in July. The ...

8 unusual quotes from astronauts to intrigue students about life in space Anjali Mittal ...

A new approximated method of analyzing the effect of spatial holeburning on dynamic response of distributed feedback (DFB) lasers is proposed. This method consists of a mode-stability analysis based ...