A physics team led by Ron Folman at Ben-Gurion University of the Negev, working with researchers from Germany, the UK and the US including Roger Penrose, has built an interferometer that splits a single atom into two simultaneous paths—one falling freely and one held still—that reconverge at the same point. This setup lets them measure how free fall changes the atom's quantum phase, something theorized nearly a century ago but never directly tested due to the need for ultracold atoms and a way to compare phase differences.
arstechnica.com
· 2026-09-11
The piece revisits a 2009 essay musing on why intellectual acknowledgment that a theory is wrong doesn't translate into the same urgency as a real anomaly demanding explanation. It draws on a Zen dialogue about conviction and quotes Eliezer Yudkowsky's fictional 'beisutsukai' story about physicists who failed to overturn quantum mechanics despite knowing something was off. The author admits the essay never fully came together but explores the gap between knowing something is wrong and having the drive to fix it.
gwern.net
· 2026-09-09
A WIRED science feature uses the classic double-slit experiment—first demonstrated with light by Thomas Young in 1801 and later with subatomic particles by Claus Jönsson in 1961—to explain why quantum mechanics defies human intuition. The piece argues that while physicists can mathematically predict quantum outcomes with great precision, the underlying behavior, such as particles acting simultaneously like waves and discrete objects, cannot be visualized in everyday terms.
wired.com
· 2026-09-03
GoKawiil