Visiting all the children on Earth in one night requires serious horsepower (or, reindeerpower?) and now we know exactly how much. According to research carried out by undergraduates at the University ...

The electrical power formula is introduced and students learn how to use Ohm’s Law. Power and Series Circuits: The electrical power formula is introduced and students learn how to use Ohm’s Law and ...

When it comes to measuring the "hardness" of a material, most tests are distinctly low-tech and basically involve pressing a diamond tip into the surface and measuring the size of the dent produced.

One watt is equal to one joule per second (J/s). This means that for every extra joule that is transferred per second, the power increases by one watt. Two electric motors are used to lift a 2 N ...

To calculate the force on a wire carrying a current at right angles to a magnetic field, use the equation: force on a conductor carrying a current = magnetic field strength × current × length A 50 cm ...

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 ...