Start-ups: Money versus Control—Or, Often, Neither
A “Techwise Conversation” with Noam Wasserman, author of The Founder’s Dilemmas
Human Memory, Computer Memory, and Memento
The Soar cognitive architecture doesn’t look like a brain, but it functions like one
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Fastest Sailboat: Alain Thébault’s Hydroptère
A French trimaran flies above the water
Fastest Swimmer: Sailfish
Dave Kerstetter tags sailfish for Nova Southeastern University Oceanographic Center
Fastest Jet Fighter: Lockheed Martin’s F-22 Raptor
Robert Novotny on Lockheed Martin’s F-22 Raptor
Fastest Helicopter: Sikorsky Aircraft’s X2
Kevin Bredenbeck explains the Advancing Blade Concept of coaxial rotors
Fastest Natural Flier: Peregrine Falcon
Ken Franklin’s peregrine falcon, Frightful, at 242 miles per hour
Fastest Land Animal: Cheetah
Patricia Tricorache helps protect the cheetah
Transrapid International’s Maglev
Marc Thompson tells how Transrapid International’s magnetic levitation train flies on the ground in Shanghai
Fastest Human: Usain Bolt
A tall sprinter dances across the finish line