Quantum mechanics/Casimir effect in one dimension. Abstract The Casimir effect is interesting because it introduces the concept of Ramanujan summation of the divergent series, 1+2+3+4+..., and because it offers experimental evidence that empty space is not truly empty. Every step in this derivation of the Casimir effect uses straight-forward and familiar mathematics.
Man's Kidney Failure Linked To Massive Tea Consumption. The puzzling case of a 56-year-old U.S. man who suddenly developed weakness, fatigue and body aches is leading doctors to warn that massive consumption of tea may be responsible.
For most people, these side effects are merely bothersome. However, green tea can sometimes cause serious side effects as well, especially when taken at higher dosages. Generally, serious green tea side effects are due to the caffeine content of green tea. (This article covers many, but not all, of the possible side effects of green tea. Your healthcare provider can discuss a more complete list of side effects with you.).