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 ...

During an accidental short circuit, enormous currents may be generated, and if the circuit be not broken by suitable switchgear, great damage may be done to very expensive cables and generators.

Learn what it means to short-sell a stock, and see an example. Find out how a shorting investor hopes to earn money.

The coronavirus (COVID-19) pandemic poses unprecedented health, economic, and financial stability challenges. Following the COVID-19 outbreak, the prices of risk assets collapsed and market volatility ...