For an increasing number of Americans, access to high-speed Internet has become an essential part of our lives. We do work, email friends, find restaurants, watch videos and movies, and check the weather. And the Internet is increasingly used for important services, like video medical consults and online education, and is relied upon by businesses for critical operations.
Warning that no single authority can order utilities to beef up security at their facilities, the former head of the Federal Energy Regulatory Commission continues to raise the alarm about a sniper attack last April on an electric power station in San Jose, Calif.. He says it highlights the vulnerability of the nation's power grid and that more needs to be done to protect that infrastructure.
Originally published on Thu February 6, 2014 7:42 pm
Take a close look at the stunning image above showing a newly formed impact crater on Mars: The blue streaks of material, known as ejecta, radiate 9 miles from the 100-foot crater, according to NASA.
The picture was taken from orbit by the Mars Reconnaissance Orbiter on Nov. 19. The same area was imaged by the MRO's Context Camera in July 2010 and again in May 2012 — with no crater in the first and a telltale surface scar in the second.