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5:45 am
Sun October 14, 2012

A Human-Powered Helicopter: Straight Up Difficult

Kyle Glusenkamp pilots Gamera, a human-powered helicopter.
Maggie Starbard NPR

Originally published on Mon October 15, 2012 9:00 am

"I grew up wanting to fly," says Graham Bowen-Davies. "I guess I just settled for being an engineer."

He's standing on an indoor track in southern Maryland, watching a giant helicopter take flight. At the end of each of its four spindly arms — arms he helped design and build — a giant rotor churns the air. In the cockpit sits the engine: a 0.7-horsepower, 135-pound graduate student named Kyle Gluesenkamp.

Gluesenkamp is pedaling like crazy to keep the rotors spinning and the craft aloft.

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Sunday Puzzle
3:32 am
Sun October 14, 2012

Where, 'O' Where Shall I Put You?

NPR Graphic

Originally published on Sun October 14, 2012 1:14 pm

On-air challenge: Every answer is a two-word phrase in which the letter "O" is added at the end of the first word to make the second word. For example, given the clue "pack animal owned by Thomas Jefferson's first vice president," the answer would be "Burr burro."

Last week's challenge: Draw a regular hexagon and connect every pair of vertices except one. The pair you don't connect are not on opposite sides of the hexagon but along a shorter diagonal. How many triangles of any size are in this figure?

Answer: 82 triangles

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Alt.Latino
1:03 am
Sun October 14, 2012

What Two Songs Say About Argentine History

Argentine band Tremor adds a new twist to a traditional dance music known as malambo.
Courtesy of the artist

Originally published on Mon October 15, 2012 1:19 pm

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The Two-Way
4:41 pm
Sat October 13, 2012

Space Shuttle Endeavour's Final Journey Adds A Day

Space shuttle Endeavour travels through Los Angeles on Saturday.
Jeff Gritchen AFP/Getty Images

Originally published on Sun October 14, 2012 9:22 am

Update 10/14/12 10:08 a.m. ET: The Excitement Has Passed, But Not The Shuttle

The crowds that cheered the shuttle on Saturday changed their tune after a night of hassles that left the Endeavour still blocking L.A. traffic and threatening trees early Sunday morning.

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Around the Nation
4:40 pm
Sat October 13, 2012

Detroit Snob? Of Course I Am.

Some Detroiters think their city has gotten a bad rap.
Spencer Platt Getty Images

Originally published on Tue October 23, 2012 2:22 pm

In the past few years, the news from Detroit has been fairly bleak so it's no surprise comedians like Stephen Colbert have taken shots at the downtrodden city.

"Maybe someone could attempt the unthinkable: walk through downtown Detroit."

But many positive changes are taking place. Desiree Cooper, who started a company called Detroit Snob, says residents have a lot to be snobby about.

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