Small changes to the voltage of the grid control large changes in the electron current flowing to the collector plate.

ECONOMIST: The middle age of the transistor

He will deal with Israeli issues and other key foreign policy matters as Obama handles a full plate of domestic matters, such as the debt ceiling and gun control.

CNN: STORY HIGHLIGHTS

He will deal with Israeli issues and other key foreign policy matters as Obama handles a full plate of domestic matters -- such as the debt ceiling and gun control.

CNN: STORY HIGHLIGHTS

America has enough on its military and diplomatic plate, without allowing a situation like the Georgia mess to spin out of control, due to a combination of sloppy thinking, inattention, lack of focus and mindless preoccupations.

CENTERFORSECURITYPOLICY: Russia vs. Georgia: Four painful lessons

Other Iraqis suspect that former members of the once-ruling Baath party who now back the insurgency hope that the terrorism will become so bloody that the situation will spin right out of control and force the Americans to hand power back to Iraq's former Sunni rulers on a plate.

ECONOMIST: Iraq