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.
If you drink five or more cups of caffeinated green tea it can cause an increase in blood pressure for some people, as well as gastrointestinal upset (nausea or vomiting), irritability or insomnia. It can interact with some medications. It could aggravate anxiety disorders, diabetes & some bleeding disorders. Some tea.