Electric-car brakes last 3x longer than conventional – threatening auto mechanics

Not only do electric cars threaten all those gas stations on every corner, but also the auto-mechanics and car parts stores: Mechanic worries that electric-car brakes will ruin his business Joe Ferrer says that brakes are easily 35 to 40 percent of his total business. Replacing rotors, calipers, and pads keeps his shop humming. But on …

The United States continues to go green – CO2 emissions near 1990 levels

CO2 emissions in US drop to 20-year low In a surprising turnaround, the amount of carbon dioxide being released into the atmosphere in the U.S. has fallen dramatically to its lowest level in 20 years, and government officials say the biggest reason is that cheap and plentiful natural gas has led many power plant operators …

Astronomers discover black hole with 140 trillion times more water than Earth

Two teams of astronomers have discovered the largest and farthest reservoir of water ever detected in the universe. The water, equivalent to 140 trillion times all the water in the world’s ocean, surrounds a huge, feeding black hole, called a quasar, more than 12 billion light-years away. “The environment around this quasar is very unique …

Researchers discover our twin solar system, GJ676A – where everything is 4x larger

Astronomers have detected our “grotesque” twin: A planetary system arranged much like our own solar system, a new study says. Dubbed GJ676A, the system has two rocky planets orbiting close to its host star, and two gas giants orbiting far away. This means the system is arranged like our system—though in GJ676A, everything is much …

Scientists watch a black hole devour a star

Back when single-celled organisms ruled Earth, a gigantic black hole lurking quietly at the center of a distant galaxy dismantled and devoured a star. On Wednesday, astronomers reported that they watched the whole thing unfold over a period of 15 months starting in 2010, the first time such an event had been witnessed in great …

Gas prices have peaked – $3.70+ is the new normal

This year’s surge in gasoline prices appears over, falling short of the record highs some had feared heading into peak summer driving season. Prices have held at a national average of $3.92 a gallon the past week, below 2011’s $3.99 high and July 2008’s record $4.11. “By the behavior of the market, things are just …

Photo – the most volcanic body in our solar system – Jupiter’s moon Io

How big is Jupiter’s moon Io? The most volcanic body in the Solar System, Io (usually pronounced “EYE-oh”) is 3,600 kilometers in diameter, about the size of planet Earth’s Moon. Gliding past Jupiter at the turn of the millennium, the Cassini spacecraft captured this awe inspiring view of active Io with the largest gas giant …

Debate over oil subsidies – Senators voting to protect them received on average 4x more contributions

The debate goes much deeper than who received money, but these numbers are still important: In a 51-47 vote, 43 Senate Republicans and four Democrats filibustered to protect $24 billion in tax breaks for Big Oil. Although a majority voted for Sen. Robert Menendez’s (D-NJ) bill, it fell short of the 60 needed. The only …

Are you ready to rent out your car? – ‘Personal Car Sharing’ brings in $2-300/month

Have you ever thought about renting out your car, like an automobile version of Airbnb? The trend is catching on as “personal car sharing” comes to Los Angeles in March 2012. It already exists in Boston and San Francisco as a distinct service compared to Zipcar, which rents out cars owned by Zipcar-itself. RelayRides, based …

You want lower gas prices – here is what it takes

The U.S. Navy is upgrading its defensive and offensive capabilities in the Persian Gulf to counter threats from Iran to seize the Strait of Hormuz and block the flow of oil, the chief of naval operations said Friday. Adm. Jonathan W. Greenert told reporters in Washington that the Navy will add four more mine-sweeping ships …