Karzai's Little Brother
A former CIA Islamabad station chief says the U.S. should strengthen its ties with the Afghan president's little brother, Ahmed Wali Karzai, who leads Afghanistan's southern Kandahar province.
A former CIA Islamabad station chief says the U.S. should strengthen its ties with the Afghan president's little brother, Ahmed Wali Karzai, who leads Afghanistan's southern Kandahar province. "Given the apparent intention of the Americans to begin drawing down in Afghanistan from the summer of 2011, it is becoming increasingly likely that the comprehensive counter-insurgency effort in the Pashtun-dominated regions of the south and east will not succeed," says former station chief Robert Grenier. "The US, therefore, could quickly find itself in a situation where it will have to rely on 'local strongmen' to pursue not a counter-insurgency, but an insurgency strategy against Taliban domination in substantial areas of Afghanistan...In such a scenario, the presence of an Ahmed Wali Karzai, if in fact he can persevere, will be most welcome to the Americans."
Here's the science of black holes, from supermassive monsters to ones the size of ping-pong balls.
- There's more than one way to make a black hole, says NASA's Michelle Thaller. They're not always formed from dead stars. For example, there are teeny tiny black holes all around us, the result of high-energy cosmic rays slamming into our atmosphere with enough force to cram matter together so densely that no light can escape.
- CERN is trying to create artificial black holes right now, but don't worry, it's not dangerous. Scientists there are attempting to smash two particles together with such intensity that it creates a black hole that would live for just a millionth of a second.
- Thaller uses a brilliant analogy involving a rubber sheet, a marble, and an elephant to explain why different black holes have varying densities. Watch and learn!
- Bonus fact: If the Earth became a black hole, it would be crushed to the size of a ping-pong ball.
Protected animals are feared to be headed for the black market.
In a breakthrough for nuclear fusion research, scientists at China's Experimental Advanced Superconducting Tokamak (EAST) reactor have produced temperatures necessary for nuclear fusion on Earth.
- The EAST reactor was able to heat hydrogen to temperatures exceeding 100 million degrees Celsius.
- Nuclear fusion could someday provide the planet with a virtually limitless supply of clean energy.
- Still, scientists have many other obstacles to pass before fusion technology becomes a viable energy source.
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