Feb 12 More Satellite Collisions Could Occur, Experts Say By PBS News Hour As space officials continued to track the debris fields created by Tuesday's collision of two satellites, experts warned that more crashes will inevitably occur in the increasingly crowded orbits above Earth. Continue reading
Feb 10 Amazon Unveils the Kindle 2 On Monday, Amazon introduced the latest version of its electronic book reader, the Kindle 2, which is thinner and lighter than the original, has an added joystick, more battery life and a function that reads books aloud. Continue reading
Feb 03 Iran Launches First ‘Homegrown’ Satellite Into Space By PBS News Hour Iran said Tuesday that it had launched its first domestically-produced satellite as part of Tehran's ongoing efforts to build a space program. The launch was timed to coincide with observances of the 30th anniversary of the 1979 Iranian revolution. Continue reading
Feb 02 Watch NOVA Explores the Role of Technology in Espionage An excerpt of Tuesday's NOVA program sheds light on the role of technology in espionage, focusing on the National Security Agency's surveillance of Osama bin Laden. Continue watching
Feb 02 Watch Tenn. Coal Ash Disaster Raises Concerns about Similar Sites Nationwide In December, tons of spilled coal ash devastated the town of Kingston, Tenn. Tom Bearden reports on the disaster's effects on residents, cleanup efforts and the debate over safety standards for other coal ash storage sites around the country. Continue watching
Jan 30 As Wind Power Usage Grows, Wind Farms Expand By PBS News Hour On his 120-acre farm in Minnesota, Richard Peterson harvests crops of corn, soybeans and, since 2005, wind. His turbine is just one of 67, all housed on adjoining farmland, that make up a wind farm capable of generating 100 megawatts… Continue reading
Jan 29 Watch Scientists Hope to Renew Stem Cell Advances Stem cell scientists anticipate a loosening of federal research funding restrictions under the Obama administration despite otherwise shrinking budgets. Spencer Michels reports on where stem cell research stands and how scientists think it may change in the coming years. Continue watching
Jan 28 Watch In Iowa, Questions Arise on Impact of Ethanol Production Al Gore testified before Congress Wednesday on the urgency of energy policy reform and made the case for easing America's reliance on carbon-based fuels. Heidi Cullen of Climate Central reports on an emerging debate over the changing land use and… Continue watching
Jan 26 Watch Obama Orders Regulators to Revisit Fuel Standards President Barack Obama pledged renewed U.S. leadership to fight global warming Monday, as he ordered regulators to revisit the tightening of fuel-economy standards for new cars and trucks. Experts debate the significance of the announcement for automakers. Continue watching
Jan 26 Obama Moves to Revise Fuel Efficiency Policies By Admin, PBS News Hour President Barack Obama on Monday ordered federal regulators to reexamine two policies that could lead to tougher fuel-economy standards for new cars and trucks. Continue reading