Basic Research to Bridge Sensors

submitted by: nsf
Mehdi Kalantari Khandani at the University of Maryland has created a sensor system that constantly monitors different types of stresses on bridge structures and, when it detects anything unusual, alerts those who need to know. But Mehdi's initial research had nothing to do with bridges. This is the story of how Dr. Khandani's basic research on ultra-low-power sensor networks ultimately led to low-maintenance bridge sensors that can help keep an eye on the structural integrity of our...

Amazing Earth 2

submitted by: scivee-team

A documentary about volcanic eruptions, their causes and effects on Earth and the geological implications of those events in history and in the future - Part 2.

How it's Made: Toothpicks

submitted by: scivee-team

The process of turning raw wood into toothpics.From birch logs to the handy tool that helps you clean your teeth.