The peak velocity of elbow joints during hair-combing activities (study)

March 25th, 2019

If you comb your hair, you may have found yourself wondering how fast (in metres per second) your elbow moves as you do so. In which case, help is at hand – in the form of a recent paper published in the American Institute of Physics (AIP) Conference Proceedings.

A research team from Kolej Poly-Tech MARA in Kuala Lumpur, found, by experiment, that it tends to be around 0.4 – 0.6 m/s.

See: Peak velocity of elbow joint during hair combing activity for normal subject in AIP Conference Proceedings 1940, 020113 (2018)

Ig Nobel in Lausanne tonight!

March 25th, 2019

Tuesday evening, the Ig Nobel EuroTour arrives École Polytechnique Fédérale de Lausanne—featuring Cats and Locusts and Star Wars and ‘Huh?’ and Claire and Mark and Marc and Marc:

March 25, Monday, 6:00 pmEPFL, Lausanne, Switzerland, in the Rolex Forum—This is part of EPFL’s 50th anniversary celebration! TICKETS TICKETS TICKETS. [PREVIEW]—Marc Abrahams and

  • Ig Nobel Prize winner Claire Rind (Monitoring a brain cell of a locust while that locust watches selected highlights from the movie Star Wars)
  • Ig Nobel Prize winner Marc Fardin (Can a cat be both a solid and a liquid?)
  • Ig Nobel Prize winner Mark Dingemanse (The word “huh?” seems to exist in every human language)

Tour Subsequent Events

After that, the Ig Nobel EuroTour will move on to The Netherlands, Poland, Italy, Sweden, Norway, Germany, and Italy (again).

Photographers walking backwards – and falling over (study)

March 21st, 2019

It’s a staple gag for any slapstick movie. Trying for a wider shot, a photographer walks backwards (without looking) and trips over something. Amusing perhaps, but on occasions dangerous too. Odd then, that in the academic literature on safety and ergonomics, there a very few scholarly studies of this ubiquitous syndrome. In fact, there may only be one – in which certified professional ergonomist Dr. Kenneth Nemire, of California, set up a practical experiment to investigate.

Two researchers asked passers-by to photograph them, but then added a request that the building behind them was to be kept in-shot. A third (unseen) researcher was recording the events on video. Later, the videos were analysed to see how many steps the photographers took backwards, and whether they looked behind them*.

The research project revealed that although the majority of the 39 participants did glance behind them before walking backwards, a significant proportion (13%) of them didn’t. Not a high percentage perhaps, but bearing in mind the number of people across the globe taking snaps on any given day, that’s still a high number of potentially amusing (or maybe not so amusing) mishaps.

As Dr Nemire points out ; “Stepping backward without looking is as dangerous as walking forward while wearing a blindfold.”

Reference: Walking Backwards Without Looking: An Observational Study in Proceedings of the Human Factors and Ergonomics Society Annual Meeting, Volume: 56 issue: 1, page(s): 685-689, December 2016.

*No photographers were harmed during this study.

Inspired, he did do-it-yourself-endoscopy [video]

March 19th, 2019

The gentleman in this video writes: “September 2018 Japanese doctor wins Ig Nobel prize for do-it-yourself colonoscopy. I tried another examination, Trans nasal Endoscopy (do-it-myself)”

Four people doing what with beer bottles?

March 18th, 2019

What are these people doing with these beer bottles? Come to the Ig Nobel show at the University of Graz, on Tuesday, March 19, 2019, at 6:00 pm, and the answer might become clear.

 

 

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