Physics

  1. Chemistry

    Explainer: How cells use chemistry to make the electricity of life

    Charged particles, or ions, constantly move in and out of cells. These migrations produce tiny electric currents, which power your brain, heart and more.

    By
  2. Physics

    Weirdly, mayo can help study conditions ripe for nuclear fusion 

    Yes, mayo. The texture of the sandwich spread is perfect for mimicking what a fusion fuel capsule goes through when blasted with lasers.

    By
  3. Physics

    Science reveals the reasons behind painful paper cuts

    Some types of paper are more likely to cause paper cuts. It’s the paper’s thickness and slicing angle that matter, physicists conclude.

    By
  4. Space

    Scientists Say: Kugelblitz

    A black hole made of pure light —or kugelblitz — may be possible, at least in theory. But in practice: impossible.

    By
  5. Physics

    Experiment: Making music with bottles

    In this study, we investigate how the volume of air inside a bottle affects the pitch of the musical notes it can create.

    By
  6. Physics

    Scientists Say: Magnetosphere

    This magnetic field encapsulates our planet, sheltering us from damaging energetic threats posed by the cosmos and our own sun.

    By
  7. Space

    Scientists Say: Cosmic rays

    These energy-packed particles come to us from the farthest reaches of outer space.

    By
  8. Chemistry

    The periodic table might soon have a new element

    A new technique could be used to make the undiscovered element 120.

    By
  9. Tech

    Lasers help put the cork on spilled oil

    Treating cork with lasers made the material able to quickly sponge up oil while repelling water, scientists in China and Israel found.

    By
  10. Materials Science

    Scientists Say: Goldene

    Making this metallic, two-dimensional (2-D) material is difficult — but super-thin sheets of gold could have uses in electronics and chemistry.

    By
  11. Science & Society

    Scientists Say: Thought experiment

    Thinking through imaginary, sometimes absurd, scenarios can catalyze new ways of thinking.

    By
  12. Tech

    Laser-based tech can identify illegal elephant ivory

    Most elephant ivory is illegal to sell. Ivory from extinct mammoths isn’t. They look similar, but lasers can tell the difference to help catch poachers.

    By