Well done Luke!
Saturday, August 9, 2008
Well done Luke!
Friday, August 8, 2008
Thursday, August 7, 2008
Wednesday, August 6, 2008
On Earth perchlorate is a main ingredient in solid rocket fuel and can be found in fireworks, pyrotechnics and other explosives. Scientists are considering the possibility that the substance could have gotten there by contamination before launch, however Phoenix used another fuel, hydrazine, to power its thrusters during it's journey to Mars.
"it is a reactive compound. It's not usually considered an ingredient for life," said Brown University geologist John Mustard.
Discovery Channel article here.
Tuesday, August 5, 2008
The Guardium employs an autonomous decision-making system and persistent navigation to overcome poor GPS conditions, deal with obstacles and other variables as well as to plan and replan routes in real time, according to Crave.
"If clothes could talk, they could tell us so much about our bodies," says Dr. Shirley Coyle, an engineer based at the National Center for Sensor Research at Dublin City University, Ireland.
"They are an interface between our bodies and the environment and in the future will prove a vital tool in health care. We are creating clothing with sensors that does not intrude on the comfort of the patient with wires."
"This is an entirely new area, but every day we are discovering ways of adding new functions to textiles. It has so much potential. Our clothes will definitely play a very different role in the future," says Dr Coyle.