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.
A nanoscale pattern could lead to more efficient solar cells
The CEO of Dropbox explains why simplicity is so hard to achieve.
A coating based on candle soot sheds oil and water
An experimental form of data storage can now be made cheaply using conventional manufacturing methods
A newly discovered hormone mimics the effects of exercise
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.
Africa's technology community will thrive only by facing up to the continent's fundamental problems.
Medical technologies are too rarely evaluated with scientific rigor.
Great technology companies often begin when ambitious people create change they want to see.