There are now many general-purpose consumer LED bulbs that give off good light. With so many, how can you tell the difference?
Under certain market conditions, cartels arise naturally without collusion. This raises important questions over how the behavior should be controlled.
If I get a tablet, maybe I could shake my smartphone addiction.
If the cosmos is a numerical simulation, there ought to be clues in the spectrum of high energy cosmic rays, say theorists
Conventional batteries take so long to charge that they cannot efficiently store braking energy. Graphene supercapacitors store almost as much but charge in just 16 seconds.
Codes we live by, laws we follow, and computers that move too fast to care.
A study of 50,000 people in Italy concludes that online social networks have a significant negative impact on individual welfare.
Comparing electric and gas-powered versions of the same car show the environmental benefits of electric vehicles.