Physics
- Physics
Pulling Strings: Stretching proteins can reveal how they fold
Unfolding a single protein by pulling on its ends reveals the molecular forces that make it fold up.
- Physics
Dropping the Ball: Air pressure helps objects sink into sand
A ball plunges deeper into sand under atmospheric pressure than under a vacuum, because the presence of air allows sand to flow like a liquid.
- Materials Science
Allergy Nanomedicine: Buckyballs dampen response of cells that trigger allergic reactions
Drugs based on soccer ball–shaped carbon molecules could one day help fight allergies.
- Physics
Smallest laser minds the gap
The smallest, most efficient laser yet represents a step toward speedier information transfer within computers.
- Physics
Pas de deux for a three-scoop particle
Physicists have discovered the first particle containing one member of each of the three families of quarks.
- Physics
Stradivari’s secrets
Three-dimensional imaging of a classic violin's vibrations explains the instrument's superior ability to direct sound to the audience.
- Materials Science
Needling Cells: Stem cells could take their cues from silicon nanowires
Scientists have grown mouse stem cells on a bed of silicon nano-needles, hoping that they will be able to guide the cells' development through electrical stimulation.
- Materials Science
Heal thyself—again and again
A new self-healing material can repeatedly repair damage at the same spot.
- Physics
Magnetic Logic: Electron spins could do cool calculations
Novel circuits use electrons as tiny bar magnets to process information.
- Physics
Carbon’s mysterious magnetism
An X-ray experiment has yielded the most conclusive evidence to date that carbon can be magnetic.
- Physics
The dance of the electron spins
Physicists have used a novel measuring technique to track the motions of electron spins in a tiny magnet as its polarity flips, with north and south poles changing places.
- Physics
Broadband vision
Cells that act like optical fibers could explain why vertebrate retinas have sharp vision despite being mounted backwards.
