News tagged with concentration

Measuring fine dust concentration via smartphone

Big cities in the smog: Photos from Beijing and, more recently, Paris clearly illustrate the extent of fine dust pollution. But what about our direct environment? What is the pollution concentration near ...

May 26, 2014
5 / 5 (4) 0

Disinfecting honey comb with ozone

Sometimes even honey bees need help with "housekeeping," especially when it comes to cleaning their honeycombs once the honey's been removed. U.S. Department of Agriculture (USDA) research has shown that ...

Mar 14, 2014
4.7 / 5 (3) 0