US renewable boom passes key milestone in April

Small-scale solar helped renewables hit nearly triple coal’s generation in the US. When last we looked at the state of the US grid, the ongoing explosion in solar energy had turned it into a major contributor, but one that still lagged well behind fossil-fuel-powered generation. So it was a…

Ozone loss was a thing even before CFCs were widely used

With today’s scientific tools, the problem could have been spotted in the 1950s. The ban on ozone-depleting substances that successfully reversed the growth of the hole in the ozone layer isn’t seen as a missed opportunity. On the contrary, the quick global response is one of the best cases…

Quantum computing startup says it will leapfrog everybody

But the system would require a massive leap from any of its existing hardware. A short time back, we covered an announcement by Amazon that it would be hosting a useful quantum computer from its partner QuEra as soon as sometime in 2028. The system promised some eye-popping numbers…

F1 in Austria: Starts off exciting, then goes the opposite way

​A heatwave, engine upgrades, plus power levels for the next two seasons.  Formula 1 raced at the Red Bull Ring in Austria this past weekend while the region sweltered under a heat dome. It was a weekend of unmet expectations: After such a strong performance in Barcelona, pundits were…

Why did this journal retract two 1940s papers by Max Planck?

Clicking on the links now reveals blank pages and empty PDFs. “Intellectually, it’s not acceptable.” German physicist Max Planck was one of the pioneers of quantum mechanics in the early 20th century, earning the 1918 Nobel Prize in Physics for his discovery of quanta.  There has never been a…