Hydrogen-Powered Train Makes Its First Trip in the UK

“Trials of a hydrogen-powered train are underway in the U.K.,” reports CNBC:
The HydroFLEX train — which has been developed by a team from the University of Birmingham and Porterbrook, a rolling stock firm — uses a fuel-cell which combines hydrogen and oxygen to generate electricity, heat and water… It’s hoped that the technology will be available to retrofit trains already in…

ATLAS Experiment measures the ‘beauty’ of the Higgs boson

Two years ago, the Higgs boson was observed decaying to a pair of beauty quarks (H→bb), moving its study from the “discovery era” to the “measurement era.” By measuring the properties of the Higgs boson and comparing them to theoretical predictions, physicists can better understand this unique particle, and in the process, search for deviations from predictions that would point to…

Castor is six stars in one

The bright bluish-white star, Castor, in the constellation Gemini, appears to our eyes as a single star. But it’s actually a family of 6 stars. Source: https://earthsky.org/brightest-stars/best-castor-brightest-second-magnitude-star…