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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 ...

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

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

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

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

Apple co-founder Steve Jobs was infamous for his harsh critiques of the work of his team. Hardware or software, ...

A new blood pressure calculator built on extensive clinical trial data helps doctors accurately estimate how much each medication will reduce blood pressure. The tool simplifies complex treatment ...

Check the currency rates against all the world currencies here. The currency converter below is easy to use and the currency rates are updated frequently. This is very much needed given the extreme ...

Use it for trips on BART, Tri Delta Transit, County Connection, WestCAT, AC Transit and more ...