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.
Side effects from drinking ginger tea may include mouth irritation, heartburn, gas and upset stomach, and it can also increase the risk of bleeding in those who have bleeding disorders. Consuming ginger tea with less than 5 grams of ginger per day is likely to only cause only mild side effects. Continue Reading.