Breakthrough in creation of gamma ray lasers that use antimatter

Superpowerful lasers for next-generation technologies are closer to existence.

  • A new study calculates how to create high-energy gamma rays.
  • Physicist Allen Mills proposes using liquid helium to make bubbles of positronium, a mixture with antimatter.
  • Gamma ray lasers can lead to new technologies in space propulsion, medical imaging and cancer treatment.
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10 great physics courses you can take online right now, for free

Here are 10 physics courses you can take now with some of the best experts in the world.

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  • You can find numerous physics courses currently available online for free.
  • Courses are taught by instructors with amazing credits like Nobel Prizes and field-defining work.
  • Topics range from introductory to Einstein's theory of relativity, particle physics, dark energy, quantum mechanics, and more.
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Strange quantum effect found in an exotic superconductor

Researchers discovered a mysterious quantum effect that breaks a 60-year-old physics theorem.

Princeton University
  • Princeton scientists lead an international team that discovered unusual behavior in iron-based superconductors.
  • The researchers observed how adding cobalt atoms disrupted superconductivity.
  • The experiment demonstrated unexpected quantum behavior.
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Scientists find a new way to measure gravity

Researchers develop a novel method to measure gravity that can get much more information.

Credit: Sarah Davis / Victoria Xu
  • Scientists use lasers that suspend atoms in air to measure gravity.
  • This method can be more precise and allow for gathering of much more information.
  • Portal devices using this technique can help find mineral deposits and improve mapping.
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"Game changer" superconductor discovered to power future computers

Scientists from John Hopkins find a material for quantum computing.

Credit: Yufan Li
  • Researchers from John Hopkins University discovered a new superconducting material.
  • The material, called β-Bi2Pd, can create flex qubits, necessary for quantum computing.
  • Next for the scientists is looking for Majorana fermions.
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