This week’s Feedback column (that I write) in New Scientist magazine has four segments. Here are bits of each of them: Power meringue — Researchers in South Korea and the US have cooked up a recipe for meringue that you can then use to make electrical batteries…. Public relations equation — “It will cost up to $21.5 […]

# Tag: equation

## A convoluted way to say “Hi”

The Walking Randomly blog tells this tale: One website I came across (I have lost the link unfortunately) suggested that you get something interesting looking if you plot the following equation over the region -3<x<3, -5<y<5. It also suggested that you should only plot the z values in the range 0<z<0.001. Suitably intrigued, I issued […]

## A grave puzzling incident in Britain

The Chester (UK) Chronicle reports, on October 17, 2013: A grieving family is upset after being ordered to remove personalised inscriptions from their loved one’s headstone comprising a Sudoku puzzle and mathematical equation. Widow Angela Robinson of Barton Road, Farndon, is prepared to fight Farndon Parish Council all the way over its request that engravings […]

## Non-Math Academics Tend to Be Impressed by Equations

What’s the value of an equation? This study appears to show that, to academics who don’t use much mathematics, any equation can be impressive — no matter what the equation says, and whether or not it adds any clarity or knowledge to a situation: “The Nonsense Math Effect,” Kimmo Eriksson, Judgement and Decision-Making, Vol. 7, […]

## On finding worms in your fish (2)

Behold a safety equation for sushi. The US Food and Drug Administration (FDA) produced this jolly poster called “Application of Interaction Tables – Sushi Roll with Raw Fish. Potentially Hazardous Food: The Evolving Definition of Temperature Control for Safety”

## 2 equations: GA GA & Lady Gaga

A GA GA equation and a Lady Gaga equation. The former is from a study by Yaoming Yu of Shanghai Normal University, China: “PCR algorithm for parallel computing the solution of the general restricted linear equations,” Yaoming Yu, Journal of Applied Mathematics and Computing, Volume 27, Numbers 1-2 / May, 2008, pp. 125-136: The latter is a […]