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
The president’s proposed initiatives are a good start in helping to revitalize manufacturing, but they don’t go nearly far enough.
UN-scale treaties might be dead, but who needs everyone to get on board?
The Singularity Summit approaches this weekend in New York. But the Microsoft cofounder and a colleague say the singularity itself is a long way off.
The new role that quantum information plays in gravity sets the scene for a dramatic unification of ideas in physics.
The physicists have had their say. Now a legal study asks how a court might handle a request to halt a multibillion-dollar particle-physics experiment. The analysis makes for startling reading.
We need to come to grips with what autism really is.
Not only does student participation decline dramatically throughout the new generation of Web-based courses, but the involvement of teachers in online discussions makes it worse.
Some studies suggest we can easily drop nuclear and fossil fuels, but they raise serious questions.