Focused beams of sound could direct music or speech to a single person in a crowd. Two inventors have staked competing claims to a potential audio revolution.
A new breed of entrepreneurs is out to reinvent invention by uniting far-flung innovators and freeing them from normal corporate constraints.
We have no shortage of good inventions. What we need are better ways to bring them to customers.
How nauseating is that car ride? Sensors could warn motorists that their driving is making people queasy.
News from around campus
A topography of nation-by-nation inventive prowess.
From the editor in chief
One prolific inventor offers tips on how to ensure that your inventions have their day in the sun.