Other Sciences

I have been looking for answers on Google but it looks like they are mostly personal and different opinions.... From my knowledge and experience, I agree that sunlight will have bleaching effect on clothes and garments but not dryer, but how about strength of the clothes? Does sunlight or heat from dryer weaken clothes more easily? It's said clothes dried by sunlight will last longer because they do not experience heat from dryer, however, I think the energy from sunlight is more damaging to the bonding of the textile of the clothes, isn't it? Which is correct? Last but not least, will clothes of the same textile but with white color last longer or break less ea…

Hi, on the FDA’s own website re de novo applications, I see that the decision times are usually around 120 days or, if they go over, 150 days in which the FDA would inform the applicant what issues are causing the delay: https://www.fda.gov/media/107652/download However, with some companies, for example, INVO Bioscience’s de novo application for its INVOcell, it took way longer than 150 days (the application was sent on Feb 23, 2015 and the decision came on November 2, 2015). My question is this: what are the July 1, 2015 and July 6, 2015 dates in the November 2, 2015 decision letter the FDA sent to INVOcell? There’s no mention of t…

Everything spinning will spin down if there is friction and no external power injecting to it, right? How about the earth? Is it theoretically spinning down? (Even if it may take a very long time) But there should not be any friction in the space right because there is no air, is it true?

Internet algorithms --probably-- have lead me to an interesting talk. I'm trimming it up to the point where the concept appears: The term appears to be standard enough that there's an article on it on Wikipedia: https://en.wikipedia.org/wiki/Splinternet Several developments on these forums have led me to think there must be a nugget of truth at least about these things. It feels like strong "reservoirs" of opinion, no matter how weakly unsustained by facts or logical consistency, seem to thrive much better than ever before on the Internet. Are these phenomena real? Were you familiar with them?

I have a question re FDA’s approval process for Investigational Device Exemption (IDE). On the FDA website, it says it’ll take 30 days or less to approve an IDE application: “An IDE application is considered approved 30 days after it has been received by the FDA, unless the FDA otherwise informs the sponsor via email prior to 30 calendar days from the date of receipt, that the IDE is approved, approved with conditions, or disapproved.” https://www.fda.gov/medical-devices/investigational-device-exemption-ide/ide-approval-process However, with some companies, I noticed it takes far longer than 30 days. For example, Check-Cap submitted an IDE applicat…

I’m thinking of something like a silo that would be placed in the middle of a body of a water when the water level gets too high it would pump water into the large volume silo. Now the silo’s could be built in space orbit the planet and be connected to nano carbon tubes then feed the water to the silo by siphoning up when the vacuum on the silos is released, filling the silo and decreasing the water level. Would this be feasible if we had no choice with global warming as a preventative measure to stopping global flooding, if not what makes this impossible now?(besides nano carbon not being ready, and obvious fact we should be trying to save the planet). ps not troll…

I decided to create this so people can discuss the upcoming Artemis 1 mission to the Moon. I will also be creating a blog post and other resources (for displays) so hopefully encourage people here to discuss further. https://www.nasa.gov/artemis-1

Regards. It is claimed as possible, people does it or so they say, applying a magic powder/compound this-or-that-and-that-too, on such moon phase 'after a rain' to a cut twig, roots develop and then is planted on soil. Nice. OK. I want to do that to a 10cm diametre branch 6 metres long cut off from a very mature 15m tall productive healthy mulberry tree. What is to consider for success ? Or needs the expertise of only an experienced expert with green thumbs ? Is it not science where you do one thing and the result comes as expected ? Yes, I want a tree producing fruit in my backyard much sooner than waiting 5-10 years. The secret, please ?

Is it true that even for the router that emits the strongest signal, radiation emitted is very negligible that one may be exposed to more than that from the natural background? Could it emit a lot more than the safety limit if the router isn't well tested or manufactured by responsible providers?

Anyone familiar with very large numbers and very small things? My questions was: suppose you could fill a volume the size of the observable universe (less than 100 billion light-years in diameter) with a tiny sand that is so tiny that each sand grain is one Planck Length in diameter. Could you fill that volume with Graham's number of Planck-sized sand? My guess is yes you could fill the observable universe with Planck-sized sand. You could probably fill a volume you cannot even comprehend how large with Graham's number of Planck-sized sand. This is what I found in Wikipedia: "... the observable universe is far too small to contain an ordinary digital representa…

Hi all Wasnt sure where to put this; if this is better off elsewhere, please feel free to move. It's a bit of a story, and as someone is bound to ask why I would want to do this... I use a Logitech wireless mouse with my desktop computer. All of a sudden, it stopped working properly. I tried everything - new mouse pad, new USB port, made sure the port does not share bandwidth with anything else, no other devices save for kbd attached, etc. Even tried a brand new mouse of the same M&M. Not sure why this is happening, but it is. Finding a mouse I am happy with, that I can use 10-13 hrs a day almost every day of my life is a real challenge. I wound …

Disclaimer While I want to know how it works, I don't want to be spoon-fed scientific information, if that makes any sense. I would like an explanation of how it works and the math behind it. Another disclaimer, I know many of you may speculate that it couldn't possibly, work, but just assume that it does, theoretically. I'm new to this site, if I've broken any rules, please let me know ASAP. (I've read them all.) Finally, a disclaimer for myself. I'd personally like to converse on how it works, to counter being spoon fed information. About It's all in the name, really. I just want to know how this energy source works and all the mechanics in…

Without any professional device, is there any way to have a test or wild guess on whether a piece of gold jewelry is made of pure gold (i.e. 24K) with little or no impurities? And how reliable will that be?

Of the above, doesn’t that Supernova process then mean a process that occurred after or within the context of the Big Bang? If so, after the said explosion, the elements that occurred, are they defined within the shell, as it were, that they occurred in or within the mother, so to speak, Big Bang’s? That is, at what point does the classification begin? And, Swansont, at what point do you think the differentiation does begin or end?

Hello. There is stony and metallic meteorites with all their sub-types and in-between compositions. Could these differences correspond to the crust, mantle, core and in-between portions of exploded/collided celestial bodies ? In other words, do stony meteorites come from geological crusts, iron ones from core fragments ?

In my ignorance, did not know until today, Pluto had already been photographed several years ago. In case someone else has not seen it before, am attaching an image of its surface found on the web : - Widht is 50 miles - Shoreline of Sputnik planum. By the telescopic Long Range Reconnaissance Imager (LORRI) aboard New Horizons, 14 July 2015. Enjoy.

I was just thinking, everyone says the universe will one day just and and be dead, but why do black holes keep gathering mass and energy then, I mean, all matter is just energy in it`s purest form and since black holes gathers mass over time and get`s heavier and heavier, will the weight eventually be so much that the mass breaks down to energy again and become a new sun? It`s a kinda strange idea that the universe will just be dead in the future when it came from nothing and, like, why can`t it do it again also? I know the inner fire in our own planet won`t last forever, and therefore the electromagnetic field around it will die also and all life, but one can speculate a…

I am trying to expand my knowledge of electricity. I always thought that electricity and light move at one constant speed. If this is true, then how can there be a wide range of current flow? I think of current flow as (electrons/second). If this is not true, then what are the limits of speed of electron flow (low and high) through a conductor?

A few months ago, I developed a strong computational metaphysical theory that explains the Universe in terms of computation. It integrates Wolfram's computational Physics with Dawkins' memes, some established theories of mind, the simulation hypothesis, Gödel's incompleteness theorem and Turing's halting problem, into a consistent framework that describes all of Nature. The theory matches our observations perfectly, makes several predictions, and is falsifiable. However, there appear to be several problems with it: It's just a Medium post, not an article in a peer-reviewed journal; It predicts that many of our current paradigms are wrong; E.g. we should not …

Do you agree with the physicist Brian Greene? I also heard this reasoning from Michio Kaku. I strongly disagree. They reason that we would be no more interesting to an ETI than an ant hill is of interest to us. There are lots of ant hills on Earth, but we don't know how many Earths there are in the galaxy, or more importantly within 1,000 light years of us. So far, Earth is very unusual and would be of great interest to any ET. The Rare Earth Hypothesis explains the Fermi Paradox, and also why we would be of great interest to ANYONE more advanced to us. Kepler Mission has NOT found many Earth 2.0s out there. Neither has the TESS (transiting exoplanet survey satel…

While reading Steven Pinker's latest book, Rationality, I came across a problematic paragraph in chapter 3 which is supposed to be about probability and randomness. He begins by noting Einstein and his famous saying about God playing dice with the world, and he mentions the importance of not mistaking nonrandom pattern for nonrandom process. Then he gets to the paragraph below: All this raises the question of what kinds of physical mechanism can generate random events. Einstein notwithstanding, most physicists believe there is irreducible randomness in the subatomic realm of quantum mechanics, like the decay of an atomic nucleus or the emission of a photon when an el…

Simple enough: Are we? It seems inevitable that we are. Then languages like Quechua or Walpiri will be reduced to the roles that now play Hittite or Assyrian. Or will we evolve into a multi-dialectal pansociety? Local versions of the same, say, English; but with people being able to understand each other all over the Earth. Will we evolve towards a bi-polar, tripolar, etc. model? What do you think? And why?

video link deleted Discussion - What do you think of this genus? Do you think I got any information wrong? What's your favorite creatue from the Jurassic Period?

The truth is that scientists frequently use the term “unknown” in their research, and I thought to myself: This phrase can give you a glimpse into the most important problems facing any research. For the experiment, I searched for the phrase “unknown” contained in a relatively new discovery: the glymphatic system, and I easily found a set of the most important questions facing this discovery, and I think the answer to them will open great horizons in this field, and these are: 1- whether sleep timing promotes glymphatic function remains unknown. 2- However, the relative contribution of each clearance system and their compensatory effects in delaying …