Specialized portable radar could serve as an early warning system to reduce risk for humans working on shorefast sea ice, according to a recently published study. The researchers suggest that use of portable interferometric radar can quickly reveal small changes that could indicate imminent movement or detachment of the ice, which is important as climate […]
The new terror alert system used to inform the public of terror threats, has received an upgrade, and that upgrade was unveiled by the Department of Homeland Security Secretary Jeh Johnson on Wednesday. Gone is the familiar five-layer, green-to-red, color-coded system that was introduced during the Bush administration following the 9-11 attacks, and set aside […]
