Wikipedia:Reference desk/Archives/Science/2020 November 3

= November 3 =

How can a dentist make sure patient won't sneeze while extracting tooth?
Recently I got my rotten teeth removed by professional dentist with no sneeze, but how can dentist make sure patient won't sneeze while extracting tooth?

I mean sneeze make things worse, blood spill over the place, forcep may hurt tongue due to severe disturbance from sneeze etc Man Floor (talk) 04:11, 3 November 2020 (UTC)


 * A sneeze takes time to build up. Here a person identifying himself as a dentist says he'd "recognize the warning signs" and pause what he was doing. --174.95.161.129 (talk) 06:12, 3 November 2020 (UTC)

That's a relief for flu person Man Floor (talk) 06:42, 3 November 2020 (UTC)
 * In this pandemic age, responsible doctors and dentists screen patients ahead of time, asking questions about symptoms, taking temperatures, etc. Of course, if you're sick and go to the dentist anyway, shame on you. ←Baseball Bugs What's up, Doc? carrots→ 11:06, 3 November 2020 (UTC)


 * A related question: How can a patient make sure their dentist (or brain surgeon) won't sneeze at a critical moment during the procedure? --Lambiam 14:22, 3 November 2020 (UTC)
 * Presumably, the same way dentists (and brain surgeons) would recognize a sneeze in a patient, they would recognize it in themselves and take precautions to avoid it happening when their fingers are in a touchy area. -- Jayron 32 16:41, 4 November 2020 (UTC)

My dentist says "raise your hand if you need anything". In hayfever season I felt a sneeze coming, raised my hand. He stopped and I said sneeze and had time to get a tissue, sneeze and blow my nose. He then said "are you OK to carry on" and I said yes and he proceeded. -- Q Chris (talk) 11:38, 5 November 2020 (UTC)

How do they measure speed in this case?
I learnt amazing information here at Quora. How do they measure speed in this human body ? Installing Speedometer in Human Body is impossible. Man Floor (talk) 06:46, 3 November 2020 (UTC)


 * electrodes, timer, distance. Greglocock (talk) 07:35, 3 November 2020 (UTC)


 * The idiotic precision (119m/s, 0.61m/s, 76.2m/s) indicates this is copied from a source with non-metric units and thoughtlessly converted. These speeds correspond to 390 feet per second, two feet per second and 250 feet per second. A scientific source would have given a bracket for the inevitable variation between individuals, or, for a single individual, between one day and the next (or, if a primary source, (also) for the measurement error).
 * The first to measure the speed of a nerve impulse, in 1850, was Helmholtz. He isolated the sciatic nerve of a frog together with the attached muscle, and measured the elaspsed time between electric stimulation and muscle contraction. ["Vorläufiger Bericht über die Fortpflanzungsgeschwindigkeit der Nervenreizung" ("Preliminary Report on the Propagation Speed of the Nerve Excitation"). Monatsbericht der Königlichen Akademie der Wissenschaften (Monthly Report of the Royal Academy of Sciences)]. For a technique to measure the speed that does not require dissecting the owner of the nerve, see Nerve conduction study. --Lambiam 14:01, 3 November 2020 (UTC)

Deadliest and costliest hurricanes whose names were not retired?
What were the costliest hurricane and deadliest hurricane that did not get their names retired? Was it Hurricane Isaac of 2012? Why were they not retired? What about Pacific typhoons? StellarHalo (talk) 18:58, 3 November 2020 (UTC)

High technology, neurons
Sorry for the inconvenience, I would like to know if my essay posted here https://www.youtube.com/watch?v=Ieuc3ABCMMA can work, please ? 2A01:CB0C:38C:9F00:353A:F859:81D1:E460 (talk) 19:08, 3 November 2020 (UTC)
 * To be honest, it is unclear what you are proposing and what you aim to achieve. Reconstructing the connections of a (human?) brain in a computer simulation so as to achieve (or inflict) consciousness, similar to the notion of a brain in a vat? What do children have to do with it? Should they understand the essay? Or should the brains to be dismantled be children's brains? Are you aware that "nerve cell" and "neuron" mean the same thing? Removing the outer membrane is an effective method of destroying it. The connections are made through the synapses; they are not like electrical connections; knowing which neurons connect to which neurons does not give enough information to simulate the activity of the network formed by the neurons. --Lambiam 23:49, 4 November 2020 (UTC)


 * —Why are you even posting to YouTube? Can't you directly ask a question at the Reference desk/Science? Is it important that YouTube serve as an intermediary? Bus stop (talk) 03:08, 5 November 2020 (UTC)

In fact, I hoped that my essay will be able to be read by all, including children. I would like to use the simulation in order to re-inflict the consciousness function to the real original set of neurons.