Why is the background smooth in IBM in atoms? |
- Why is the background smooth in IBM in atoms?
- Are fighter aircraft noticeably "weighed-down" by their armaments?
- Do plastic water bottles leech toxins from the plastic into the water?
- Why is there a tidal bulge on the side of the Earth facing away from the moon?
- What is the most recent opinion on artificial sweeteners and health?
- Why does an algae bloom deplete disolved oxygen in the ocean and why doesnt it add oxygen through photosynthesis?
- How do SONAR systems actually produce such loud noises?
- If a person kicked off from the ISS towards the surface of the Earth, would they ever actually fall to Earth or just stay in a slightly more elliptical orbit?
- Why are most studies on retinal ganglion cells done on salamanders?
- Is there any reason why we haven't built permanent habitats in the ocean?
- Are there any astronomical or physical terms beginning with X other than X-Ray?
- How do I address +19 Exabytes of data?
- How do convection currents affect how plates move?
- Is it possible for a planet to have a ring system which is highly eccentric?
- What Affects the Bohr Radius?
- Can someone please explain to me what the northern lights actually are? I saw them recently and tried to google what causes them, but I couldn't get my head round it at all.
- Does light have an amplitude?
- Is the heat energy that we get from the sun just from Photons?
- Why are we told to drink fluids when we have the flu?
- How does the body generate heat?
- In solar fusion, when two hydrogen atoms fuse into helium, where does the neutron come from?
- Can you use a volumetric pipette in space?
- Could you make a nuke with Americium?
| Why is the background smooth in IBM in atoms? Posted: 05 Mar 2018 03:28 PM PST In this picture it says the background consists of "a substrate of chilled crystal of nickel" but why isn't this background also a bunch of individual atoms? Why is it smooth? [link] [comments]  |
| Are fighter aircraft noticeably "weighed-down" by their armaments? Posted: 06 Mar 2018 05:33 AM PST Say a fighter pilot gets into a combat situation, and they end up dropping all their missiles/bombs/etc, how does that affect the performance of the aircraft? Can the jet fly faster or maneuver better without their loaded weaponry? Can a pilot actually "feel" a difference while flying? I guess I'm just interested in payload dynamics as it applies to fighter jets. [link] [comments]  |
| Do plastic water bottles leech toxins from the plastic into the water? Posted: 05 Mar 2018 04:55 PM PST |
| Why is there a tidal bulge on the side of the Earth facing away from the moon? Posted: 06 Mar 2018 04:03 AM PST There are two high tides per day, but we face the moon only once. Even when there is a new moon and the sun and moon are aligned in the sky, there are still two tides per day. How? [link] [comments]  |
| What is the most recent opinion on artificial sweeteners and health? Posted: 05 Mar 2018 08:50 AM PST I have heard mixed opinions on whether or not artificial sweeteners are better or worse than refined sugars. I have seen some literature stating that sweeteners increased cancer risk in rodents, but other research denouncing this due to different organ models in the rodents relative to primates. Is anyone up to date on this field? [link] [comments]  |
| Posted: 06 Mar 2018 02:06 AM PST |
| How do SONAR systems actually produce such loud noises? Posted: 06 Mar 2018 02:02 AM PST It seems incredible that such a small device is capable of producing noise up to, what, 235 decibels? How in the world is this possible? [link] [comments]  |
| Posted: 06 Mar 2018 12:19 AM PST |
| Why are most studies on retinal ganglion cells done on salamanders? Posted: 06 Mar 2018 04:41 AM PST |
| Is there any reason why we haven't built permanent habitats in the ocean? Posted: 05 Mar 2018 11:14 PM PST I was curious if there was something stopping our technology or there's a reason we're opting to build on other planets before building homes under the water? [link] [comments]  |
| Are there any astronomical or physical terms beginning with X other than X-Ray? Posted: 05 Mar 2018 02:06 PM PST I'm writing an A-to-Z children's book about astronomy (A is for Asteroid, etc.), and I'd really like to use something more interesting or at least creative than X is for X-Ray. Thanks! =D [link] [comments]  |
| How do I address +19 Exabytes of data? Posted: 05 Mar 2018 01:17 PM PST Technically a computer science question. Currently our computing systems I'm aware of are based on a 64 bit architecture and the maximum 64 bit number is just under 18.5 Quintillion. Based on my understanding that means there'd be a theoretical limit to address space identifiers at the same level. 1.) Is my assertion correct that a 64-bit architecture cannot address beyond 18.5 quintillion storage bytes? 2.) Are there beyond 64-bit architectures that may eventually be deployed large-scale? 3.) Does anyone even care? Apparently to generate that much data the human race needs to exist for a few more centuries yet. [link] [comments]  |
| How do convection currents affect how plates move? Posted: 05 Mar 2018 09:42 PM PST This is partly to help my 8th grade son. He uses an "interactive notebook" which is the biggest piece of crap I have ever seen. The teacher puts random notes in the notebook without anything that clearly explains anything. This is not to be confused with how heat affects density, causing the heat to move up and then down (a separate concept that is clear). His science notes state the following: (1) "Rising convection currents cause plates to separate"; (2) "Sinking convection currents cause plates to converge". His notes also say that: (3) convergent convection currents cause convergent boundaries and; (4) divergent convection currents cause divergent boundaries. It seems to me that (1) works with (3) and (4) to either separate or converge plates (not just separate). However, (2) does not make any sense to me at all. Are (1) and (2) correct? If so, how? The whole premise of tectonic plate movement is that the plates move and create boundaries based on the convection currents. If the convection currents sink, how can they affect the plates? If the convection rises, why would it only separate plates? What if the convection currents are converging or moving toward each other? Does everything else seem to align correctly as proposed? It makes sense to me that the plates act like they are on a "conveyor belt", and that 2 conveyor belts can drive the plates together (collision) or apart (separation) depending on which direction the conveyors are running. Or what are we not understanding here? [link] [comments]  |
| Is it possible for a planet to have a ring system which is highly eccentric? Posted: 05 Mar 2018 11:29 PM PST Say a planet captured a large body in a highly eccentric orbit which brought it close enough to the planet for tidal forces to rip it apart. Would the resulting debris maintain its orbit and produce a large elliptical ring? Or will the individual movements of the debris work to circularize/destroy the ring? [link] [comments]  |
| Posted: 06 Mar 2018 06:58 AM PST The title explains itself. I've been told the number of electrons is the factor that reduces/increases the Bohr Radius, but I've also been told the same but protons instead of electrons. The no. of electrons seems to make the most sense, since the more/less electrons, the more/less energy needed to hold on to the electrons. Can someone confirm this for me? Thanks! [link] [comments]  |
| Posted: 06 Mar 2018 12:57 AM PST |
| Posted: 05 Mar 2018 12:58 PM PST I've taken a few university-level physics courses, so I feel like I should know the answer to this. Shorter-wavelengths are associated with "higher energy" when talking about light, such as X-, Gamma-, or UV-rays. When we talk about waves in other media (such as sound), we talk about not only the wavelength, but the amplitude. In sound, the wavelength affects the pitch but the amplitude affects the volume. Is there something similar with light? I've sort of been working under the impression that you can't have different amplitudes of light, and that light intensity is based on the density of photons emitted, not the properties of the photons themselves. [link] [comments]  |
| Is the heat energy that we get from the sun just from Photons? Posted: 05 Mar 2018 08:34 AM PST |
| Why are we told to drink fluids when we have the flu? Posted: 05 Mar 2018 02:20 PM PST |
| How does the body generate heat? Posted: 05 Mar 2018 09:27 AM PST |
| In solar fusion, when two hydrogen atoms fuse into helium, where does the neutron come from? Posted: 05 Mar 2018 01:12 PM PST I know with manmade fusion reactions, deuterium and tritium are used for greater yield partly due to having neutrons. [link] [comments]  |
| Can you use a volumetric pipette in space? Posted: 05 Mar 2018 06:10 PM PST So we were doing a chemistry lab and the question comes up, how would astronauts pipette in space? Is there like a zero-g micropipette or Pasteur pipette? If not then how would you perform precise experiments in space? [link] [comments]  |
| Could you make a nuke with Americium? Posted: 05 Mar 2018 09:51 PM PST The reason I'm asking is because at work I get to use a nuke gauge to test the density of concrete. Inside the gauge is Cesium and Americum. Americium is the more radioactive element so I want to focus on that. Could you create a weapon out of Americium? I know this isn't a efficient way of doing things otherwise it would have been done by now. But my lack of understanding radioactivity makes me wonder. I just don't understand how something like uranium has a lower atomic mass, compared to Americium yet has a much longer half life. In fact that raises another question if uranium has a longer half life doesn't that mean it losses less longer? Making Americium more unstable since it only has a half life of like 240 years? Wouldn't this make Americium perfect for energy use since it seems like it would be giving off more energy? [link] [comments]  |
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