For most people, the word "algebra" conjures classroom memories of Xs and Ys. Weekend Edition's math guy, Keith Devlin, says that's because most schools do a terrible job of teaching it. He talks with host Scott Simon about what algebra really is. Plus, Devlin explains how algebra took off in Baghdad, the Silicon Valley of the ninth century.
Electrical engineer Fred Hatfield was one of the first to purchase an Apple-1 in 1976, one of Apple's first computers. His relationship with that computer was an interesting one, and involves one bold interaction with Steve Jobs himself.
Today, heading out to a picnic often means a simple blanket and a basket packed with the outing's repast. But back in the day, outdoor feasts were much grander affairs, with crystal, servants, tables and gourmet fare.
Secretary of State John Kerry is in Ethiopia for celebrations marking the 50th anniversary of the pan-African body, now known as the African Union. Kerry's trip comes about a month before President Obama also heads to Africa. Host Rachel Martin speaks with NPR's Gregory Warner.
Electrical engineer Fred Hatfield was one of the first to purchase an Apple-1 in 1976, one of Apple's first computers. His relationship with that computer was an interesting one, and involves one bold interaction with Steve Jobs himself.