Showing posts with label Chemicals. Show all posts
Showing posts with label Chemicals. Show all posts

Thursday, January 23, 2014

Detecting chemicals, measuring strain with a pencil and paper

Detecting chemicals, measuring strain with a pencil and paper: Sometimes solving a problem doesn't require a high-tech solution. Sometimes, you have to look no farther than your desktop.

Three students from Northwestern University's McCormick School of Engineering—an undergraduate, a master's student, and their teaching assistant—have proven that pencils and regular office paper can be used to create functional devices that can measure strain and detect hazardous chemical vapors.

Wednesday, December 4, 2013

Avoid fluoride

http://www.mercola.com/infographics/avoid-fluoride-exposure.htm