Damaged iPhones have cost Americans a whacking $5.9 billion for repairs, replacement and insurance deductibles since 2007, according to a study by warranty company SquareTrade.
NASA astronauts successfully replaced a power switching unit on the International Space Station yesterday, using a $3 toothbrush to clean up a stuck bolt.
Using carbon nanotubes and DNA, researchers have created a new type of solar cell designed to self-repair like natural photosynthetic systems in plants.
