Science news articles about 'angular momentum'

  • Quantum chaos unveiled?

    ... Details of the Study: 'These Guys are Dancing Together' Technically, spin is the intrinsic angular momentum of a particle – a concept so difficult to explain in lay terms that physicists usually ...
  • Moving quarks help solve proton spin puzzle

    ... explored the model's predictions further by extracting more detailed information, including how the orbital angular momentum is generated by the different quarks inside the proton, which has two up ...
  • Engineer: Head-first slide is quicker

    ... times how fast the player is moving," he says. "There's angular momentum. If it's feet-first and you're ... down, you're rotating counterclockwise." Angular momentum is mass movement of inertia times ...
  • Zooming way in, technique offers close-ups of electrons, nuclei

    ... with extraordinary spatial resolution. An electron's spin, or intrinsic angular momentum, acts like a tiny magnet, providing one of the few outwardly detectable signs of an atom's ...
  • The Science of Spinning

    ... of the fundamental principles of physics, known around the planet as "conservation of momentum." Here, in particular, we have a beautiful demonstration of conservation of angular momentum. read more
  • Detecting tiny twists with a nanomachine

    ... and biology. Spin-induced torque is central to understanding experiments, from the measurement of angular momentum of photons to the measurement of the gyromagnetic factor of metals and a very ...
  • Brown dwarfs do form like stars

    ... gather mass, the young protostar must somehow shed that angular momentum. It does so by spewing material in opposite directions as a bipolar outflow. A brown dwarf is less massive ...
  • Predicted planet seen -- first since Neptune 162 years ago

    ... in such a young system. When stars form from a giant cloud of gas and dust, the angular momentum of the cloud carries over to all the objects that form from the cloud, including new planets. Those ...
  • New twist on 40-year-old discovery

    ... gravitational field also admits a Carter-like constant of motion, in addition to energy and angular momentum. What's more, the deviation of the field's shape from being spherical is determined by a ...
  • Physicists discover important step for making light crystals

    ... arrangement. The researchers are trying to trap atomic particles called fermions, which have an internal angular momentum called spin. When fermions are hot, they spin chaotically. The hotter the ...
  • Missing planets attest to destructive power of stars' tides

    ... star has recently consumed a planet, the addition of the planet's orbital angular momentum will cause the star to rapidly increase its spin rate. So we would like to look for stars ...
  • Ytterbium gains ground in quest for next-generation atomic clocks

    ... a switch to a different form of ytterbium whose nucleus is slightly magnetic due its "spin-one half" angular momentum. This atom is less susceptible to key errors than the " ...
  • Close-up movie shows hidden details in the birth of super-suns

    ... s - actually the edges of cone-shaped streams of gas. Such outflows foster star formation by carrying angular momentum away from the system. Intriguingly, the outflow streams appear to ...

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