Key concepts Physics Simple machines Wedges Air pressure Introduction Looking for a cool and surprising project to show to your friends? Give this activity a stab! Take a potato and a straw ...

GREENFIELD — While most teachers show their students how to simplify problems, Amy Fletcher likes to teach her students how to make the simplest tasks more complicated.

This simple spreadsheet of machine learning foibles may not look like much but it’s a fascinating exploration of how machines “think.” The list, compiled by researcher Victoria Krakovna ...