• China's Three Gorges Dam's showing cracks

    The Three Gorges Dam is China’s largest construction project since the Great Wall; the dam was hailed as an engineering feat that could withstand the worst flood in 100 years, but this year’s torrential rains have severely tested its capacity to control the surging Yangtze

  • Humans will be extinct in 100 years: Fenner

    Eminent Australian scientist Frank Fenner, who helped to wipe out smallpox, says humans will probably be extinct within 100 years because of overpopulation, environmental destruction, and climate change; he said he believes the situation is irreversible, and it is too late because the effects we have had on Earth since industrialization

  • Mankind must abandon earth or face extinction: Hawking

    Stephen Hawking says mankind’s only chance of long-term survival lies in colonizing space, as humans drain Earth of resources and face a terrifying array of new threats

  • Explore the geometry of cleaning up the Gulf coast

    Fueled by oxygen, naturally occurring bacteria can slowly destroy blobs and slicks of crude oil without the use of additional chemicals; Virginia Tech researchers hope to determine whether the shape of crude oil remnant — be it a flat syrupy sheet or a tar ball — can affect deterioration rates

  • New computer chip computes probabilities, not logic

    A new type of chip has been unveiled that uses probability inputs and outputs instead of the conventional 1’s and 0’s used in logic chips today; crunching probabilities is much more applicable to many computing task performed today rather than binary logic

  • Testing rayguns

    Technologies for using laser energy to destroy threats at a distance — these weapons known as directed energy weapons — have been in development for many years; before these weapons can be used in the field, the lasers must be tested and evaluated at test ranges, and the power and energy distribution of the high-energy laser beam must be accurately measured on a target board, with high spatial and temporal resolution

  • Tracking algorithms for multiple targets win Australia's prestigious Eureka Prize

    A University of Western Australia team — including two borthers who are professors at the school — have won the Eureka Prizes, Australia’s “science Oscars,” for a tracking system that has revolutionized the surveillance and monitoring of potential threats in the vast air, sea, and land space of Australia — and of other countries

  • DARPA looking for VTOL UAV to plant covert spy devices

    The Pentagon is looking for a VTOL (vertical take-off and landing) UAV/UASs - or V-Bat - which will autonomously plant such surveillance devices as remote cameras/bugs, communications relays, marker beacons, small battery powered ground-crawler, or inside-buildings flying robots

  • Emergency Managers and Homeland Security are distinct, if related, disciplines

    Emergency Management and Homeland Security do share some of the same principles, but they are also distinct: they have different philosophies about prevention vs. mitigation and response vs. recovery

  • Decline of species at Chernobyl linked to DNA

    Brightly colored birds and birds that have a long distance migration were some of the organisms most likely to be affected by radioactive contaminants; one scientist says: “One explanation may be that these species have, for whatever reason, less capable DNA repair mechanisms”

  • DARPA funds giant space nets to scoop up space trash

    One legacy of the space age is the growing amount of debris — defunct satellites, fragments of rockets, and any unused object originally built and launched by humans — accumulating in space; currently there are 2,465 identified objects of more than two kilograms in low Earth orbit, and these objects threaten projects such as the space elevator; a futuristic company proposes collecting the debris with a dozen space vehicles, each equipped with 200 nets, which would scoop up the debris and then either fling them into the South Pacific, send them closer to Earth where they would eventually decay, or recycle the materials

  • Small bridge sensors will give early warnings of anomalies, weaknesses

    University of Maryland researchers devised a lightweight, low-power, wireless, credit card-sized sensor that will detect weaknesses in bridges and other infrastructure before they can turn into calamities; the sensors would detect anomalies in the structure of even the most inaccessible parts of bridges and send alerts via cellular frequencies to its human masters. Among the things it would measure would be stress loads, vibration, temperature and the creation and growth of cracks

  • Undersea oil remains in Gulf of Mexico

    A study of the effects of the Deepwater Horizon spill has confirmed the presence of a toxic chemical residue one kilometer below the sea surface; the investigation shows a plume of crude oil-based chemicals up to 200 meters high and 2 kilometers wide, extending 35 kilometers from the spill site

  • Scanning for oil from the air

    A Scottish firm develops technology to scan for underground oil deposits from the air; the technique called atomic dielectric resonance (ADR), detects and measures onshore oil reservoirs using radio and microwaves, reducing the need to drill test wells

  • Veterinary students train to help in agro-terrorism situations

    Because of the number of feedlots in Kansas, the state could be a prime target for agro-terrorism; Kansas State University veterinary medicine students take part in two different U.S. Department of Agriculture preparedness programs: the foreign animal disease practitioner’s training course and agriculture emergency response training; the programs train veterinarians to aid in relief efforts and protect the public in hazardous situations