Knowing how many calories you burned on a run isn’t required. Calorie-counting can foster a complicated—and sometimes unhealthy—relationship with food and exercise. When you go for a run, you know you ...

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The Gordon model allows for the fact that the market might put a price on a stock that's different from what you might estimate using the equation above. A higher stock price than predicted implies 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 ...

I created a rudimentary calculator using only marbles. Watch as I demonstrate its functionality and explore the concept.

The longevity of Jobs’ 10-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

Discover Exponent Inc.'s Q3 2025 earnings: double-digit revenue growth, AI-driven opportunities, and rising margins.

And why letting people come up with their own ideas, and actually try those ideas, is almost always the best approach.

This inflation calculator uses the change in the Consumer Price Index (CPI) from 1913 to 2025 to estimate the U.S. dollar's buying power and future value.

Joseph Lemkin. Photo courtesy of Joseph Lemkin. A relative of Raphael Lemkin, the Jewish Polish lawyer known for coining the term “genocide,” has undertaken legal action to get the family name removed ...