18 March 2005 - UFZ - Centre for Environmental Research (Umweltforschungszentrum Leipzig-Halle) Scientists fear that the most dangerous particles are even smaller than PM10, particles with a diameter of less than 10 micrometres. Currently there are neither limit values nor a monitoring network for such particles. These ultrafine particles are smaller than 100 nanometres, that is less than one ten millionth of a metre.
08 March 2005 - University of Florida The engineers who built the massive external fuel tank that will power the shuttle Discovery into orbit this spring used sophisticated X-ray detectors developed by UF researchers to reduce the chance of a defect in the foam insulation covering the tank.
