Olympic medal Altius, Fortius" features on four Winter Games medals but does not appear on any Summer Games medal. For three events in a row, hosts of the Winter Games included different materials in the medals: glass (1992), sparagmite (1994), and lacquer (1998). It was not until the 2008 Summer Olympics in Beijing, China that a Summer Olympic host chose to use something different, in this case jade. While every Summer Olympic medal except for the 1900 Games has been circular, the shapes of the Winter Games have been considerably more varied. The Winter Games medals are also generally larger, thicker, and
Faster-than-light neutrino anomaly an explanation for them." Faster-than-light neutrino anomaly In 2011, the OPERA experiment mistakenly observed neutrinos appearing to travel faster than light. Even before the mistake was discovered, the result was considered anomalous because speeds higher than that of light in a vacuum are generally thought to violate special relativity, a cornerstone of the modern understanding of physics for over a century. OPERA scientists announced the results of the experiment in with the stated intent of promoting further inquiry and debate. Later the team reported two flaws in their equipment set-up that had caused errors far outside their original confidence interval: