Within tiny halos of light clinging to a vanishingly thin wisp of optical fiber, scientist Jongmin Lee guides atoms like marbles through a narrow pipe. Rock the fiber and the atoms shift side by side; ...

To monitor the amount and type of nuclear material at power plants and weapons facilities, scientists look for a special signal—the unique pattern of gamma rays emitted by specific radioactive ...

Explore the laws of matter and energy while mastering physics concepts that explain the universe, power innovation, and matter and energy. Participate in paid cooperative education and hands-on ...

Republicans are entering the 2026 midterms with a 218-214 majority in the House, with two seats currently vacant and one independent. All 435 seats are up for election, but with maps continuing to ...

Condensed-matter physics is the study of substances in their solid state. This includes the investigation of both crystalline solids in which the atoms are positioned on a repeating three-dimensional ...

Quantum physics is the study of matter and energy at its most fundamental level. A central tenet of quantum physics is that energy comes in indivisible packets called quanta. Quanta behave very ...

How does the universe work? The study of physics attempts to answer this question by examining the smallest subatomic particles, atoms, molecules, stars and galaxies. Using atomic-scale microscopes ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. Yarilet Perez ...

A photo-journalist has been badly injured in a war zone, and she returns home to recuperate and figure out what’s next. Her partner wants to get married and have kids. She wants to get back on her ...

To tell whether a young adolescent has a healthy weight, it can help to know the average for their age and sex. The averages for 12-year-olds are 89 pounds, for males, and 92 pounds, for females.