Tech Challenge

Tech Challenge March 5, 2010

Take our Tech Challenge on Measuring Oxygen Content

Can you solve this tech challenge on measuring oxygen content? Challenge: Fred is looking for an instrument to measure the oxygen content of some vials. The amount of headspace in the vial is very crucial…

Tech Challenge February 5, 2010

Take Our Chemical Testing Challenge

Take our tech challenge on chemical testing The U.S. EPA was testing rivers and lakes for chemical levels. The technician detected above-regulation levels in Lake Somhe, including phenol, toluene, mercury, oils, and more. There are…