Big batteries will fight blackouts and could make renewable power economically viable.
In this era, the rectilinear glass box has become a quaint relic of the predigital past.
New software from Ribbit could make it easier to stay in touch.
Keypads on smooth touch screens are prone to errors, but new ways of providing tactile feedback could make them more accurate.
Scientists at Case Western Reserve have bred a mouse that can eat loads, stay slim, and live longer.
Advanced biofuels, more-efficient vehicles, and solar power top the most notable energy stories of 2007.
A leading chemist says that a better understanding of photosynthesis could lead to cheap ways to store solar energy as chemical fuel.