Through a Camera, Darkly
The technology of lenses has made art richer and more meaningful for hundreds of years. A Gerhard Richter retrospective shows Germany's most famous artist responding to the camera over a lifetime of painting.
Features
Sunlight Absorber
A nanoscale pattern could lead to more efficient solar cells
Dropbox: Founder Drew Houston Simplifies the Cloud
The CEO of Dropbox explains why simplicity is so hard to achieve.
Smudge-Free Surfaces
A coating based on candle soot sheds oil and water
Memory Milestone
An experimental form of data storage can now be made cheaply using conventional manufacturing methods
Obesity Fighter
A newly discovered hormone mimics the effects of exercise
Alta Devices: Finding a Solar Solution
Looking to enter a highly competitive solar market, Alta Devices hopes to use a combination of technological advances and manufacturing savvy to succeed where many others have crashed and burned.
Frustrated Innovation
Africa's technology community will thrive only by facing up to the continent's fundamental problems.
Healthy Skepticism
Medical technologies are too rarely evaluated with scientific rigor.
Be the Change
Great technology companies often begin when ambitious people create change they want to see.
