Materials Science
- Materials Science
Electron waves refract negatively
Waves of electrons have been bent backward in a sheet of graphene, allowing physicists to focus electrons the way a lens focuses light.
- Materials Science
Graphene shows signs of superconductivity
Ultrathin sheets of carbon can conduct electrical current with no resistance at low temperatures.
- Materials Science
Nanogenerators harvest body’s energy to power devices
Nanogenerators offer body-harvested energy to fuel bionic future
- Materials Science
Buckyballs turn on copper’s magnetism
Exposure to buckyballs bestows ironlike magnetic properties onto the normally nonmagnetic metals copper and manganese.
- Materials Science
Stretchy fiber lets electrons flow
Folded layers of carbon nanotubes allow an elastic fiber to conduct electrical current when stretched.
- Materials Science
Stretchy fiber keeps electrons flowing
Folded layers of carbon nanotubes allow an elastic fiber to conduct electrical current when stretched.
-
- Materials Science
Like a balloon, peculiar magnet grows and shrinks
A recently discovered alloy of iron and gallium can expand and contract like a balloon when exposed to a magnetic field.
- Paleontology
Suds versus nanoparticles and more reader feedback
Readers discuss the posture of an ancient reptile and why washing machines and nanoparticles don't mix.
- Materials Science
Spiders spin stronger threads with nanotubes
Spiders sprayed with carbon nanotubes spin supertough strands of silk.
- Physics
Electron pairs can take the heat
Electrons have been found pairing up for the first time in a solid that is not in a superconducting state.
- Materials Science
A new spin on guiding sound waves along a one-way route
A proposed acoustic topological insulator made of an array of spinning metal rods would channel sound waves in one direction along its edge, preventing any sound from bouncing away.
