Articles on Physics

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Physics laureate Donna Strickland receives the prize from King Carl Gustaf of Sweden during the Nobel Prize award ceremony in Stockholm on Dec. 10, 2018. (Pontus Lundahl/Pool Photo via AP)

Reflections from a Nobel winner: Scientists need time to make discoveries

The winner of the 2018 Nobel Prize in physics says scientists shouldn't feel pressured to do research that has economic or commercial ramifications. Science for the sake of science is more important.
Dr. Who used the this time machine, called the TARDIS, to travel through space and time on the BBC television show Dr. Who. Babbel1996 / Wikimedia Commons

Time travel is possible – but only if you have an object with infinite mass

Who wouldn't want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple.
Every magnet has two sides: a north pole and a south pole. Helena/flickr

Curious Kids: How and why do magnets stick together?

The energy needed to pull magnets apart comes from you, and you get it from the food you eat. And the plants or animals you eat get their energy from other plants and animals, or from the Sun. All energy comes from somewhere.
Women are still typically the minority on academic hiring committees in science, and “majority rules.” (Shutterstock)

How we can turn the tide for women in science

The award of a Nobel Prize in physics to Donna Strickland is an opportunity to build support for women in science, says one female physics professor.
Captured: approximately 15,000 galaxies (12,000 of which are star-forming) widely distributed in time and space. NASA, ESA, P. Oesch (University of Geneva), and M. Montes (University of New South Wales)

Game-changing resolution: whose name on the laws of physics for an expanding universe?

Astronomers are voting to rename one of the laws of physics. The voting may have far-reaching effects leading to renaming of other laws and giving 'forgotten' scientists due credit.

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