
Fixed astronomical clock vital for galactic history
Scientists have settled a long running debate on one of the fundamental time measures for galactic history - the half-life of a radioactive isotope of iron.
The new, accurate figure for the ir ... more
|  |

Spacecraft Power Systems
The power system is one of the fundamental systems required to operate any spacecraft. Many satellite engineers, who work on other systems, tend to take spacecraft power for granted. However, there ... more
|  |
Ex-US climate envoy: Trump threatening 'consensus science' worldwide
How did an Indian zoo get the world's most endangered great ape?
Australian scientists grapple with 'despicable' butterfly heist
|  |

U.S. Navy unveils firefighting robot SAFFiR
At the Naval Future Force Science & Technology Expo, held Wednesday and Thursday in Washington, D.C., military engineers showed off their latest invention - a firefighting robot. ... more
|

Auction house to sell vintage NASA photographs
An auction house in Wales is selling a portfolio of vintage photographs taken and collected by NASA astronauts during the 1940s, 50s and 60s. ... more
|  |

Pentagon Asks for $9.6Bln to Counter Missile Threat From Iran, NKorea
The Obama administration asked for $9.6 billion to counter the increasing threat from North Korea and Iran.
The US Department of Defense has requested $9.6 billion in the 2016 budget year to c ... more
|
 |

Tehran Denies Iranian Missile Program is Part of Nuclear Talks
Iran's missile program is not part of negotiations with the 5+1 group, comprising US, Russia, China, Britain, France and Germany, on Tehran's controversial nuclear program, Iranian Deputy Foreign Mi ... more
|  |

Parallelizing common algorithms
Every undergraduate computer-science major takes a course on data structures, which describes different ways of organizing data in a computer's memory. Every data structure has its own advantages: S ... more
|