Physics

  1. bulletproof vest
    Materials Science

    50 years ago, bulletproof armor was getting light enough to wear

    In 1969, bulletproof armor used boron carbide fibers. Fifty years later, bulletproof armor is drastically lighter and made from myriad materials.

    By
  2. Langoustine claws
    Chemistry

    How seafood shells could help solve the plastic waste problem

    Chitin and chitosan from crustacean shells could put a dent in the world’s plastic waste problem.

    By
  3. crepes
    Physics

    A computer model explains how to make perfectly smooth crepes

    Here’s how to prepare thin pancakes that are perfectly smooth, according to science.

    By
  4. diamond
    Particle Physics

    Diamond detectors could aid the search for dark matter

    Elusive dark matter particles could be spotted when they slam into electrons or atomic nuclei within diamond, scientists say.

    By
  5. Astronomy

    Readers boggled by black hole behemoth

    Readers had questions about the first image of a black hole and a chytrid fungus.

    By
  6. pentaquark illustration
    Particle Physics

    Physicists have finally figured out how pentaquarks are built

    The particles are made of up two smaller particles, stuck together like atoms in a molecule.

    By
  7. Kibble balance
    Physics

    This tabletop device turns the quantum definition of a kilogram into a real mass

    The mini Kibble balance will measure 10 grams to an accuracy of a few ten-thousandths of a percent.

    By
  8. black hole
    Physics

    In a first, scientists took the temperature of a sonic black hole

    A lab-made black hole that traps sound, not light, emits radiation at a certain temperature, as Stephen Hawking first predicted.

    By
  9. solar eclipse
    Physics

    100 years ago, an eclipse proved Einstein right. Today, black holes do too — for now

    In 1919, an eclipse affirmed Einstein’s famous general theory of relativity. Now scientists hope to use black holes to poke holes in that idea.

    By
  10. atomic clock
    Physics

    A new optical atomic clock’s heart is as small as a coffee bean

    Optical atomic clocks are extremely good at keeping time, and they’re on their way to becoming pocket watches.

    By
  11. Murray Gell-Mann
    Science & Society

    Murray Gell-Mann gave structure to the subatomic world

    Best known for his quarks, the preeminent theoretical physicist was also a complexity pioneer

    By
  12. Very Large Array
    Physics

    Big black holes can settle in the outskirts of small galaxies

    Astronomers have found dozens of surprisingly massive black holes far from the centers of their host dwarf galaxies.

    By