They called it "the brick." And Martin Cooper says it really did look like one: 8 inches high, an inch and a half wide, 4 inches deep, and weighing 2 1/2 pounds.
In other words, the world's first hand-held cellphone, the Motorola DynaTAC, weighed the equivalent of about eight iPhones. (Try jamming that into a pocket.)
"The battery life was only 20 minutes," says Cooper, a former vice president at Motorola who has been called the "father of the cellphone." "But that was not a problem because you couldn't hold that heavy thing up for more than 20 minutes."
New York Mets pitcher R.A. Dickey delivers his signature pitch, with its unusual grip, against the Arizona Diamondbacks on May 6. He's the only knuckleballer in the major leagues, and the pitch has earned him a 12-1 record so far this season.
Melissa Block speaks with Jennifer Cooke, director of the Africa program at the Center for Strategic and International Studies, about the deteriorating situation in Mali. Islamic militants in recent days have destroyed sacred tombs in the ancient city of Timbuktu. A military coup there in March created a power vacuum, allowing the rebel and Islamist groups to take over the northern part of the country. West African leaders this past weekend urged Mali's interim government to request outside military assistance.