Day: February 13, 2017

The field is the more fundamental entity

I will quote Barak Shoshany answer to the question “What is the relationship between a particle and a field?” on Quora: A field is a mathematical entity that exists throughout space and time. A classical field is simply a function that has a numerical value at each point in spacetime. Think, for example, of the …

Anti-Zeno Effect

Unstable quantum systems are predicted to exhibit a short time deviation from the exponential decay law. This universal phenomenon has led to the prediction that frequent measurements during this nonexponential period could inhibit decay of the system, one form of the quantum Zeno effect. Subsequently, it was predicted that an enhancement of decay due to …

Cancer drugs do not even extend life for 10 weeks

Patients, advocates, and care providers are growing increasingly frustrated that new and often very pricey cancer drugs do little to improve patients’ survival, Kaiser Health News reports. For instance, the 72 cancer therapies approved between 2002 and 2014 only bought patients an extra 2.1 months of life compared with older drugs, researchers have found. And …