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Physics, Astronomy & Cosmology / Re: Why does the pitch of an engine go higher as RPM is increased?

« on: 08/09/2020 16:05:47 »

I was wondering if it might be a Doppler effect as the volume and speed of the air increases as rpms increase.

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Just Chat! / Anyone else have a doppelganger?

« on: 03/12/2019 07:34:20 »

So I ride my bike a lot. Had a few people that said they waved at me and I did not wave back. Even one guy who rolled down his window at a stop and said Hey hows it going, and the guy did not respond. I asked where and when and said it wasn't me. One day I went into a subway and ordered a 6" turkey everything but jalapenos with pepper jack cheese on Italian herb and cheese bread, and the guy turned whie as a ghost. Were you just here 10 minutes ago he asks. I said no. He said a guy that looks just like you same voice  just ordered the same thing not more than 10 minutes ago. I said was not me, but feels really freaky, parallel universe or something. Do you have any stories?

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The Environment / Re: Which scientists say we've just 18 months to "save planet from climate change"?

« on: 02/08/2019 03:31:41 »

Things are changing, I would love to stop it, but we are at an impasse. I think we will survive, some areas better than others,

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Physiology & Medicine / Maggots for necrosis, why not develop ones with an appetite for cancer

« on: 02/08/2019 03:24:33 »

My wife was diagnosed with necrosis from an injury to her thigh after falling through a rotten dock board many years ago. She was told there was no treatment at the time. Reading online there seem to be abrasion, and maggots that will only eat dead tissue. So I told her I would go for the maggots, painless and effective. It got me to thinking if one could breed maggots to only eat cancerous tissue, what a boon that would be.

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Technology / Re: What is the impact force of dropping a 40kg weight from waist height?

« on: 19/07/2019 19:09:07 »

I would think if you were worried about the floor the thickness of the concrete, and if it was reinforced with rebar or concrete  might be needed to take into consideration.

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General Science / Re: Which is the best Science gift to present someone?

« on: 19/07/2019 18:58:38 »

Stephan  Hawking book might be fun, I received recently Brief answers to big questions

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Physiology & Medicine / Re: Why is it hard to breathe in a fast-moving car with the window open?

« on: 21/03/2019 04:34:39 »

It sounds like a personal problem, I have never experienced it even at 80mph.

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Chemistry / Re: Is there a liquid adsorbent?

« on: 26/10/2018 22:19:04 »

I guess I am not sure what you are wanting to do.

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Plant Sciences, Zoology & Evolution / Re: Do animals of the same species speak the same language around the world?

« on: 17/10/2018 21:43:16 »

Consider humankind   are all animals of the same species, how many languages do you not know?

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The Environment / Re: Is there any hope of effective action on climate change?

« on: 28/09/2018 21:03:26 »

Would making climate change worse be an effective action?

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Physiology & Medicine / Re: Why do people punish themselves sometimes?

« on: 28/09/2018 21:00:52 »

When I was growing up Catholic in the olden days we used to wear a scapular I believe it was called. It hung around your neck, had a very irritating surface against your skin. I think the rationale was to keep your mind open to the suffering of others and remind you to stay humble. 

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Physiology & Medicine / Re: What is the most common cause of arthritis?

« on: 24/09/2018 22:08:08 »

My guess is trauma, abuse of the joint, wear and tear. My hope for the future generation is to figure that out so they can avoild hip shoulder knee replacements etc. I can speak to having arthritis is not the instant issue, both of my hips show arthritis, One replaced last wed., the other no problem.

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Physiology & Medicine / Re: Are there ways to immediately identify vascular blockage or clot?

« on: 23/09/2018 18:54:04 »

My father arrived at the golf course with 1 swollen leg, a retired Dr. said go to the emergencey room immediately. It turned out to be a blood clot in the groin area, caught in time and no ill effects.

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Geology, Palaeontology & Archaeology / Re: Do you think we are already way past combating global warming?

« on: 01/09/2018 01:21:21 »

More particulate matter will slow warming, go coal electric plants without scrubber!

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Marine Science / Re: Are there nutrients in animal carcasses on the ocean floor?

« on: 01/09/2018 01:15:32 »

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Geology, Palaeontology & Archaeology / Why does animal hair reach a certain length and not keep growing?

« on: 29/08/2018 23:47:25 »

Many animals, dogs, cats etc. fur/hair seems to get to a certain length and stop growing, but the same does not seem to happen to head and men's facial hair but does seem to happen to arm and leg hair. What's the deal with that?

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Physiology & Medicine / Re: Does anyone have any good tips for keeping heartrate below 60 beats per minute?

« on: 29/08/2018 01:23:04 »

I was into heavy tae kwan do and yoga, I can intentionally get down to 45, and lower blood pressure from 135 over 90 to 118 over 70, but one has to be i good shape to do this. If you are not willing to do exercise, proper diet,training and exercise I fear meds are your only choice, but a bad choice.

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Physiology & Medicine / Re: Could someone get dopesick from fentanyl administration in a clinical setting?

« on: 09/08/2018 00:25:10 »

I have been out of the field too long, but in the olden days crack was a 100% cocaine based product. During my research times morphine was considered the most effective pain reliever. We did studies eliminating the effects of morphine withdrawal with a combination of drugs that would block the addictive centers of the brain and thus target the pain relief centers. We were able to eliminate 4 of the symptoms of morphine withdrawal in rats by including drugs such as naloxone. The goal of our research was to eliminate the addictive properties of morphine and take advantage of the pain relief properties. Sorry not familiar with fentanyl.

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General Science / Re: Can you eat the skin around camerbert cheese?

« on: 09/08/2018 00:11:02 »

Wife and I no problem, In fact do not recall seeing the skin cut off on any cheese plates, but if I had I would have eaten it! Now the brown specs from pineapple skin and little tough ends on artichokes I have a problem with, go figure!

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Question of the Week / Re: QotW - 18.02.04 - Do lobsters experience pain?

« on: 09/08/2018 00:04:12 »

Back in the 70's it was assumed lobsters felt pain while getting boiled to death by my chef. My chef did not believe in boiling them alive. We would stick a knife through behind the head, swift death was the assumption, heard stories of scrambling screaming lobsters, but never had to witness it first hand thank god.