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 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 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 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.
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.
A new model of the way the THz waves interact with DNA explains how the damage is done and why evidence has been so hard to gather