A few countries have scaled back in response to the disaster, but many others are building or planning new nuclear reactors.
A new engine design could significantly improve fuel efficiency for cars and SUVs, at a fraction of the cost of today’s hybrid technology.
Orbiting spacecraft could be refueled with water taken from planetoids—but some experts doubt the economics.
Cars with advanced batteries get 100 mpg and boast far greater range than all-electric vehicles.
UN-scale treaties might be dead, but who needs everyone to get on board?
Does society really want extremely private mobile devices if they make life easier for criminals? Apple’s newly toughened standards sharpen the focus on that question.
The president’s proposed initiatives are a good start in helping to revitalize manufacturing, but they don’t go nearly far enough.
Include quantum mechanics in the calculations and faster-than-light drives become unstable
Physicists have built a graphene battery that harvests energy from the thermal movement of ions in solution
When he tired of arguing with climate change skeptics, one programmer wrote a chatbot to do it for him.