Forget hunting for a tape measure or a protractor. Use your Android phone camera and sensors to handle different types of measurements easily.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A robot for measuring the angles of corn stalk leaves may sound like ...

“The lack of intrinsic meaning of angles on a bar chart has significance even for chart-oriented traders who do not employ angles. How sharply a trend slopes on a chart is often a psychological ...