News tagged with protective clothing

Environmentally friendly rockets

(PhysOrg.com) -- Many rockets, satellites, and spacecraft are driven by hydrazine, sometimes with an oxidizing agent like nitric acid or dinitrogen tetroxide. When filling tanks with these highly toxic substances, ...

May 27, 2011 5 / 5 (3) 1 | with audio podcast

Brilliant counterfeit protection

(PhysOrg.com) -- Counterfeit products create losses in the billions each year. Beside the economic damages, all too often additional risks arise from the poor materials and shoddy workmanship of "knock-off ...

Jun 02, 2010 5 / 5 (1) 1