Why are all the place-holder names of the incoming elements to the Periodic table all Unun-something? |
- Why are all the place-holder names of the incoming elements to the Periodic table all Unun-something?
- Would it be possible to expand the spectrum of light we can see?
- Is there an anti-placebo effect?
- Do satellites travel with the rotation of the earth or against and if they go both ways would two identical satellites going opposite directions at the same altitude have to travel at different speeds to maintain orbit?
- What is the best way to play the lottery, scientifically?
- Is it possible to slow down a particle until its momentum is 0 if the universe has a finite size?
- What's the role of imaginary numbers in electronics and circuits?
- How much power can be achieved through a Dyson sphere?
- How does Ampicillin act as a substitute for Penicillin?
- Why does air underwater look 'metallic'?
- Are there any human species that have gone extinct?
- If I enter a lottery with a countably infinite number of tickets and there is a countably infinite amount of entrants, one for each ticket, can I still win even though my chance of winning is infinitely small? Why/why not?
- Why a mess of particle physics gives rise to simple and elegant classical physics laws?
- How possible is it for a company with minimal polymer experience to start making useful polyurethanes?
- Is dark energy/matter created by the expansion of the universe? Does this violate conservation of energy if it does?
| Posted: 13 Jan 2016 01:27 PM PST Why are they all unun? Is it in the protocol of the IUPAC to have to give them names that start that way? Seems to be to be deliberate... but I haven't found an explanation as to why. [link] [393 comments]  |
| Would it be possible to expand the spectrum of light we can see? Posted: 14 Jan 2016 02:26 AM PST Would our brains even be able to process it if you somehow changed our eyes? Maybe replacing the eye with an artificial one that reacts to a broader spectrum of light? Would we see new colors or would our brains just assign the colours we already know to this wider spectrum? [link] [9 comments]  |
| Is there an anti-placebo effect? Posted: 13 Jan 2016 08:26 PM PST If you truly believe that medicine won't work, can it affect effectiveness? [link] [8 comments]  |
| Posted: 14 Jan 2016 05:04 AM PST |
| What is the best way to play the lottery, scientifically? Posted: 13 Jan 2016 11:38 AM PST As we all know, the drawing tonight is the biggest in history. I'm not an avid player by any means, as I typically only plan when it gets hyped up in the media. I typically just buy a few quick picks, but just realizing today that I don't even know what method of random selection quick pick uses. Does it base it on other numbers it has chosen for other quick pick buyers? Digging in further, I see that Powerball lists past winning numbers, so we can get some sort of idea on winning number frequency. (Also, you can just get them all in 1 text file here). Now, if I were to stop using the quick pick method, what would scientifically be the best way to choose my numbers to create the best odds of winning? By choosing numbers that have been drawn the most? By choosing numbers that have been drawn the least? By some sort of other formula? [link] [287 comments]  |
| Is it possible to slow down a particle until its momentum is 0 if the universe has a finite size? Posted: 13 Jan 2016 08:02 AM PST I was just wondering about Heisenberg's Δx * Δp ≥ h/4π. If you can make p (and therefore Δp) arbitrarily low, then its Δx gets infinitely big. Does that make any sense, or it it stupid? [link] [21 comments]  |
| What's the role of imaginary numbers in electronics and circuits? Posted: 13 Jan 2016 12:34 PM PST I just don't get how the square root of -1 can be so relevant in these areas. [link] [14 comments]  |
| How much power can be achieved through a Dyson sphere? Posted: 13 Jan 2016 08:39 PM PST Context: I just read the most recent "what-if" by the xkcd guy. In the blurb he discusses the consequences of the entire sun's radiation energy focused into a small beam. He never actually quantified the intensity of the beam though. This got me thinking about dyson spheres and their potential to operate as deathstars. Has anyone attempted to roughly estimate the yield of a dyson sphere? [link] [3 comments]  |
| How does Ampicillin act as a substitute for Penicillin? Posted: 13 Jan 2016 06:42 PM PST What are some reasons that say Ampicillin would be much more effective than Amoxicillin? Could this effect be even more pronounced when used in conjunction with Penicillin? Can drugs be exponentially effective? [link] [3 comments]  |
| Why does air underwater look 'metallic'? Posted: 13 Jan 2016 08:06 PM PST I've noticed if I bubble into cupped hands underwater, the trapped air looks like mercury. Why is this? I've learnt that metals look metallic due to the electron cloud reflecting photons, but why would this happen to air, and only to air when viewed through water? [link] [2 comments]  |
| Are there any human species that have gone extinct? Posted: 13 Jan 2016 11:50 AM PST Of course, we all know of Neanderthals but have any other species been discovered? Are they superior to modern humans in any way? Do they still exist in the gene pool? Thanks, guys. [link] [20 comments]  |
| Posted: 14 Jan 2016 12:45 AM PST |
| Why a mess of particle physics gives rise to simple and elegant classical physics laws? Posted: 13 Jan 2016 03:08 PM PST First, I should say that I mostly know about particle physics from popular lectures/articles and have not taken a real course in quantum field theory or particle physics. As I understand, the laws of particle physics is the most fundamental thing we know at the moment, and all other physics is somehow derived from it. Usually it is described as very complex and messy with all the different particles interacting in various nontrivial ways that we can only describe using dozens of different fundamental constants and fields. Yet, somehow, in the classical limit we get very beautiful and elegant theories (classical mechanics, relativity, electromagnetism) that each can be formulated almost in terms of at most a couple of equations with nowhere near the dozens of constants needed for particle physics. Is there any reason why extremely complex phenomena at particle level produce such abnormally simple laws for classical physics? [link] [2 comments]  |
| Posted: 13 Jan 2016 04:36 PM PST I work for a small ink company, and my boss has decided that we should start making our own resins (mostly the polyurethanes) since we can't find one with the correct properties. We have no polymer chemists on staff (or any PhDs, for that matter), but a few formulators. Is there any likelihood of success, and if people have any experience, how expensive would this likely be? We have very minimal equipment (although we do have a fumehood). [link] [3 comments]  |
| Posted: 13 Jan 2016 05:28 AM PST |
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