When the Grid goes Dark!

Don’t think it could never happen, but the possibility of a high-altitude electromagnetic pulse (EMP) is far from unimaginable. If such an event were to occur, it could cripple the technological backbone of modern civilization. Power grids, communicati…

When the Grid goes Dark!

Don’t think it could never happen, but the possibility of a high-altitude electromagnetic pulse (EMP) is far from unimaginable. If such an event were to occur, it could cripple the technological backbone of modern civilization. Power grids, communicati…

NISAR’s L-Band Radar Reveals ‘Hummingbird’ in Antarctica

Description Data from the Earth-orbiting U.S.-India NISAR (NASA-ISRO Synthetic Aperture Radar) satellite’s L-band radar was used to produce an image of Nunatak Zaterjavshijsja — a mountaintop in East Antarctica — poking out amid a stream of ice flowing northeast to the ocean. The obstruction causes stresses in the ice, heavily fracturing the surrounding surfaces with […]