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 ...

The coordinates of the turning point and the equation of the line of symmetry can be found by writing the quadratic expression in completed square form. Find the equation of the line of symmetry and ...

Many European parcel companies — including DHL, the Royal Mail, and the French and Spanish national post offices — are temporarily suspending some shipments to the U.S., citing new U.S. tariff ...

The US and China headed into a second day of talks on Sunday and discussed trade, the economy and TikTok during a day of high-level talks in Madrid, a Treasury official confirmed. The US team, led by ...