“There are exactly four normed division algebras: the real numbers (R), complex numbers (C), quaternions (H), and octonions (O). The real numbers are the dependable breadwinner of the family, the complete ordered field we all rely on. The complex numbers are a slightly ﬂashier but still respectable younger brother: not ordered, but algebraically complete. The […]
“Traditional chicken soup was prepared according to a family recipe, which will be referred to as ‘Grandma’s soup’ (C. Fleischer; personal communication; 1970). This recipe is as follows: • 1 5- to 6-lb stewing hen or baking chicken; • 1 package of chicken wings; • 3 large onions; • 1 large sweet potato; • 3 […]
“Concert etiquette demands that audiences of classical concerts avoid inept noises such as coughs.” … and yet, explains Prof. Dr. Andreas Wagener (of the Institute of Social Policy at Leibniz Universität, Hannover, Germany) … “ […] coughing in concerts occurs more frequently than elsewhere, implying a widespread and intentional breach of concert etiquette.” Leading to […]
It’s a given that all manner of unwelcome microbial and viral particles can be exhaled by a person during a sneeze or a cough. Prompting inventor Joseph Apisa of Colts Neck, NJ, US, to create a ‘Sneeze catching method and apparatus’ It’s just received a US patent (Dec. 16, 2014). It can be, and indeed […]
A study for nasal aficionados: “Post-Nasal Drip Syndrome: A Symptom to be Sniffed At?” Alyn H. Morice [pictured here], Pulmonary Pharmacology and Therapeutics, vol. 17, no. 6, 2004, pp. 343–5. The author, at Castle Hill Hospital in Cottingham, UK, sniffs: “Post-nasal drip syndrome is a symptom masquerading as a syndrome. It varies widely across different societies and there […]
Professor Fiegel displays her simulated cough machine (SCM): If you’d like a close, personal look at the simulated cough machine, get in touch with Professor Jennifer Fiegel at her lab at the University of Iowa.