- I have a theory: If there is an infinite amount of negative numbers and there is an infinite amount of positive numbers then the total amount of numbers would be odd. Because 0 is in the center. For every positive number there is an negative counterpart. Am I right? Can we prove this with math?
- Do microplastics accumulate in human tissue (particularly the kidneys, and possibly even brain)?
- When generating a bubble from the bottom of a fluid/gel filled chamber what defines the diameter of the bubble?
- How did Ole Christensen Rømer calculate the speed of light?
- Can mirrors amplify light?
- Are classical mechanics (ie. conservation of momentum) sufficient to describe the collision of a neutron with a proton?
- What was the first commercial device to use strong encryption?
- I've always wondered, is it possible to look in a reflective surface and see someone but that someone can't see you in the same reflection?
- How are file copy or transfer functions on computers ensured to be perfect to the original file?
- Why is silver a better conductor than gold?
- Where does the oceanic crust created at the Mid-Antlantic Ridge subduct?
- Why are bound-bound cross sections greater than bound-free cross sections, and bound-free cross sections greater than the Thomson cross section (free-free)?
- Is eczema an allergy or autoimmune disorder?
| Posted: 12 Dec 2019 11:05 PM PST |
| Do microplastics accumulate in human tissue (particularly the kidneys, and possibly even brain)? Posted: 13 Dec 2019 02:26 AM PST |
| Posted: 13 Dec 2019 02:42 AM PST I am experimenting with generating various sized bubbles within gel filled chambers. The input is at the base of the chamber and have tried with a couple of different sized apertures at the same pressure. So far this hasn't necessarily generated consistent sized bubbles. If anyone has further reading I could look at, I'd appreciate a point in the correct direction. [link] [comments]  |
| How did Ole Christensen Rømer calculate the speed of light? Posted: 12 Dec 2019 11:33 PM PST I understand that he used the orbit of io but I seriously don't get how it's orbit or precived orbit can change based on distance alone since the sun is constantly emitting light and all orbits are constant. I could see how it could be calculated if the sun sent light in pulses, what am I missing? [link] [comments]  |
| Posted: 12 Dec 2019 07:49 PM PST Also could we use use a giant mirror to capture light from the sun, then use a bunch of mirrors in a certain way to amplify the light, and then just shine that light at a big solar panel? [link] [comments]  |
| Posted: 13 Dec 2019 01:53 AM PST I was thinking about how classical mechanics usually can't be used to describe the subatomic world, but was wondering if there were any exceptions, like the one i listed for example. [link] [comments]  |
| What was the first commercial device to use strong encryption? Posted: 12 Dec 2019 07:33 AM PST Was it the AT&T TSD 3600? And is that why the NSA was so panicky in implementing the clipper chip into this device? Before this device were all commercial telecommunications open to being wire tapped by law enforcement agencies? Sorry for all the questions, just trying to understand. Thanks in advance. [link] [comments]  |
| Posted: 12 Dec 2019 09:50 AM PST I'm not an expert but I know that in a mirror for example reflection is in a straight angle. Or something like that. I'm putting this question because every time I take the train to go home late at night, the window it's a bit reflective and I can see people behind me. And the question is, can they see me looking at them through the same window? [link] [comments]  |
| How are file copy or transfer functions on computers ensured to be perfect to the original file? Posted: 12 Dec 2019 09:30 AM PST To elaborate, when a file is copied on a computer from one place to another (USB to Internal, or the internet), are the files copied perfectly and if so, how? There are so many components made by many different manufacturers, how is the 'chain of custody' ensured, and by what? The internet brings the abstraction of all the components to a way higher level, how are good transfers ensured there? [link] [comments]  |
| Why is silver a better conductor than gold? Posted: 12 Dec 2019 10:02 AM PST So I know for a fact that silver is better than gold at conducting but it isnt sitting right in my head as my current understanding is the gold should conduct more as It has more free electrons that can move and carry charge [link] [comments]  |
| Where does the oceanic crust created at the Mid-Antlantic Ridge subduct? Posted: 12 Dec 2019 09:59 AM PST My basic understanding of plate tectonics says that oceanic crust is 'created' at the mid-oceanic ridges and then subducts under the continental crusts. But looking into things earlier I noticed that there doesn't seem to be a subduction zone along the continental landmasses either side of the Mid-Antlantic Ridge. So where does the oceanic crust go? [link] [comments]  |
| Posted: 12 Dec 2019 11:52 AM PST I get the math but I don't understand physically why bb > bf > ff when it comes to cross sections. It's not like 3 > 2 either, difference is 27 or so orders of magnitude between bb and ff. [link] [comments]  |
| Is eczema an allergy or autoimmune disorder? Posted: 11 Dec 2019 05:05 PM PST |
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