Confinement of antihydrogen for 1,000 seconds http://www.nature.com/nphys/journal/vaop/ncurrent/full/nphys2025.html The same team that had previously reported a .172 second capture of antihydrogen has now achieved 1000 seconds. The full article is accessible. Since it may not remain so, I suggest fetching a pdf while you can if you're interested. -- David.