It is horsefly season, which means all those enjoying the countryside should watch out for bites.
Image copyright NASA Image caption The aim was to sample emissions under real-world conditions Some close-quarter flying has provided new insights into aircraft pollution. US space agency-led scientists flew small, instrumented, chase planes directly in the exhaust plume of a big jet to measure the sorts of gases and particles being thrown out. The data […]
Image copyright BLOODHOUND SSC The British-led effort to break the World Land Speed Record is going to slip again – to 2018. The Bloodhound Super-Sonic Car was supposed to go racing later this year, to try to raise the current mark of 763mph (1,228km/h) to over 800mph. But what are described as “short-term cash flow […]