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  1. Naked Science Forum
  2. Profile of Colin2B
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Messages - Colin2B

Pages: [1] 2 3 ... 279
1
Just Chat! / Re: Should there be term limits for all elected officials in government?
« on: Yesterday at 17:25:38 »
Quote from: Pseudoscience-is-malarkey on Yesterday at 15:52:25
You Brits elected a man named BJ...
we always elect someone. This one happened to be initialed BJ.

2
Complementary Medicine / Re: Natural remedies for acne
« on: Yesterday at 12:24:00 »
Quote from: george43 on Yesterday at 10:49:38
natural skincare for body acne is beneficial for the skin. …. I bought it from the smammymeds.con.
Ah, I see you tried to spam us, but we spotted you and banished your blemish instantly  8)

3
General Science / MOVED: Tech dev volunteering
« on: Yesterday at 10:15:06 »
This topic has been moved to Just Chat!.

https://www.thenakedscientists.com/forum/index.php?topic=84817.0

4
Physics, Astronomy & Cosmology / Re: Does "empty space" push things away and gravity is lack of this push energy?
« on: Yesterday at 10:14:35 »
Hi @nnanto, welcome to the forum.
Yes, a really good question which I think was asked by many early philosophers and scientists before Newton.
Obviously, if you can’t see the force you don’t know whether it’s a push or pull. The reason we don’t think it’s an effect of empty space is because in every experiment we do it’s the amount of mass in the objects that changes the magnitude of the force. Also, materials of different densities take up varying amounts of space, but again the force is just dependant on the total mass.

5
Physiology & Medicine / Re: What is the best blood pressure monitor for home use?
« on: 25/05/2022 08:29:45 »
Quote from: Spam 250522 on 25/05/2022 06:26:10
Whethear you have been diagnosed with hypertension or you want to keep track your health a blood pressure montior is very helpful. At spammy pressure  SHOP we have Best Blood Pressure Machine for home use, our home based monitors are digital and the whole measurement process is almost automatic. Visit us now and explore our all categories.
Trying to spam us will always raise pressure to ban you. Blow baby, blow.

6
Question of the Week / MOVED: Split - Where does the potential energy of a spring go in acid?
« on: 24/05/2022 14:24:01 »
This topic has been moved to Radio Show & Podcast Feedback.

https://www.thenakedscientists.com/forum/index.php?topic=84807.0

7
Radio Show & Podcast Feedback / Re: Feedback on: Question Of The Week in Podcast vs Forum
« on: 24/05/2022 14:22:16 »
Quote from: Eternal Student on 24/05/2022 12:30:22
Hi.

Quote from: Colin2B on 24/05/2022 08:53:06
Just wondering if this part of the discussion should be in the feedback section as it isn’t directly answering the question?
    I'll just remove it.

Best Wishes.
No need, it’s valid discussion, but I van move it to feedback

8
Radio Show & Podcast Feedback / Re: Feedback on: Question Of The Week in Podcast vs Forum
« on: 24/05/2022 08:53:06 »
Quote from: Eternal Student on 23/05/2022 20:19:38
Hi.

  Sometimes I wonder if something strange is happening……….
Hi folks
Just wondering if this part of the discussion should be in the feedback section as it isn’t directly answering the question?

9
General Science / MOVED: Is Whatsapp Group Sexy Chats Inappropriate?
« on: 20/05/2022 14:19:12 »
This topic has been moved to Just Chat!.

https://www.thenakedscientists.com/forum/index.php?topic=84781.0

10
Physics, Astronomy & Cosmology / MOVED: Re: Is radiation pressure a significant factor in dark energy?
« on: 18/05/2022 08:38:27 »
This topic has been moved to New Theories.

https://www.thenakedscientists.com/forum/index.php?topic=84768.0

11
Just Chat! / Re: A Short puzzle with dogs.
« on: 12/05/2022 18:37:43 »
Ok, I’m limited on wifi time available so complete guess (based on other physics)
I describe route by 2 straight lines, one towards the river which when hits river 2nd line goes to home. Angles on either side of perpendicular to river have to be the same.

12
General Science / Re: Why do waves move towards the beach?
« on: 11/05/2022 08:55:45 »
Quote from: alancalverd on 10/05/2022 20:02:03
But the waves always travel towards the beach.

Why?
Refraction
You are right, it doesn’t matter which way waves approach a beach they will always turn in towards it. They usually approach from far offshore as determined by wind direction. As the wavelength approaches water depth the wave front slows and wavelength shortens. Net effect is wavefront closer to beach slows and the front turns towards the beach, usually ends up parallel, but sometimes not quite, depends on underwater topography.
Waves will also refract around islands and underwater sea mounts giving unstable water on the side away from the wind.

13
Question of the Week / MOVED: Civil sunrise and sunset?
« on: 09/05/2022 08:03:07 »
This topic has been moved to General Science.

https://www.thenakedscientists.com/forum/index.php?topic=84727.0

14
General Science / MOVED: What is Pap Smear test and when should a woman get it?
« on: 30/04/2022 14:32:22 »
This topic has been moved to Physiology & Medicine.

https://www.thenakedscientists.com/forum/index.php?topic=84668.0

15
General Science / MOVED: Can rust be removed by an electric field?
« on: 23/04/2022 22:53:03 »
This topic has been moved to New Theories.

https://www.thenakedscientists.com/forum/index.php?topic=84621.0

16
Physiology & Medicine / MOVED: Insulin myths and the science that broke through
« on: 11/04/2022 21:48:50 »
This topic has been moved to New Theories.

https://www.thenakedscientists.com/forum/index.php?topic=84567.0

17
Cells, Microbes & Viruses / Re: How can I find tardigrades?
« on: 06/04/2022 14:39:41 »


Quote from: evan_au on 04/04/2022 23:39:37
Quote from: Colin2B
they seem to prefer drying out occasionally so don’t choose moss that’s damp all the time
- Tardigrades enter a form of suspended animation (a "tun" stage) when conditions get too harsh (eg lack of water). They reanimate when water becomes available. They can thrive in an erratic environment that would kill many other animals their size.
The interesting thing is that they do better in moss that dries occasionally rather than stays wet. You find fewer in sphagnum moss or in damp woodland litter than in a rain gutter. I wonder if you have suggested a survival benefit in “ an erratic environment that would kill many other animals their size”? Perhaps not their size, but somewhat bigger as their predators include nematodes, mites, springtails, insect larvae and parasitic protozoa, all of which might not survive drying out. It’s a thought.

18
Cells, Microbes & Viruses / Re: How can I find tardigrades?
« on: 04/04/2022 08:31:21 »
Quote from: colarris on 03/04/2022 21:24:11
Perhaps the moss I have been examining has been to dry.
They can become dormant and difficult to see if too dry. Try soaking the moss overnight then look at it with a hand lens - best with top or side lighting (try both) against a dark background.
Although they like damp moss, they seem to prefer drying out occasionally so don’t choose moss that’s damp all the time.
When you are looking under the microscope try spacing the cover slip by putting 2 others underneath on either side, it leaves a small gap between slide and cover slip.
Best of luck

19
Just Chat! / Re: 9mobile data code
« on: 29/03/2022 12:21:41 »
Quote from: progress8 on 29/03/2022 11:57:59
Spamprovider Nigeria has many Data Plan Packages that fit almost every subscriber’s needs. Not only that, but they have also one of the slowest browsing connection speeds which makes them one of the least preferred networks when considering purchasing data plans.
Not only are they spammers, but would you trust a Nigerian company that spammed you?

20
New Theories / Re: How to predict changes in telomeres with one idea.
« on: 27/03/2022 22:38:14 »
This might be of interest in the discussions https://www.karger.com/Article/FullText/486586

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