What colour are Neutron stars? |
- What colour are Neutron stars?
- Are other animals aware of their mortality?
- Why are designs of the Hubble Telescope and James Webb Space Telescope so different from each other?
- Why do active volcanoes have such constant, violent waves?
- What proof do we have that the universe is expanding and not just clusters moving in different directions?
- How does churning cream into butter reduce its lactose concentration? (4%-1%)
- Why do you see so many specialty toothpastes (e.g. gum strength, cavity defense, 3-d white etc)? Why don't they make one super toothpaste with all the benefits?
- How difficult is it to make a perfect diamond? Or any other crystal for that matter?
- So how do programming languages work?
- Why doesn’t the earths core cool and harden?
- Do we need the van Allen Belts as a protection from radiation?
- Why do most cables have ridges at the ends?
- An escalator moves at the same speed whether it's empty or has a lot of people on it. How does the motor "know" to change its power output?
- What impact has the Great Wall of China had on animal populations?
- How do we establish elevation on another planet that has no ocean, ex. Mars?
- Humans have fingerprints, do we have anything of sorts for animal kingdom?
- Who keeps the time?
- Why are most recent data transfer standards serial, rather than parallel?
- If a hexagon is the strongest shape, why aren't tunnels and archways hexagonal?
- How is uranium 238 transformed into uranium 235?
- When do facial bones stop growing?
- Is atmospheric pressure measurably higher somewhere like the lowest point in death valley?
- Why is it much harder to recite the alphabet in reverse than numbers when both follow a set order?
| What colour are Neutron stars? Posted: 27 Feb 2018 12:27 AM PST Assuming we have a magic shield that blocks out all non-visible light, and a human eye (human optional) within viewing distance, what colour would a neutron star appear to be? Would there be a shift in spectrum emissions because of gravitational effects? [link] [comments]  |
| Are other animals aware of their mortality? Posted: 27 Feb 2018 02:56 AM PST |
| Why are designs of the Hubble Telescope and James Webb Space Telescope so different from each other? Posted: 26 Feb 2018 08:38 PM PST |
| Why do active volcanoes have such constant, violent waves? Posted: 27 Feb 2018 02:19 AM PST |
| Posted: 27 Feb 2018 01:38 AM PST I know about red-shifting and blue-shifting and the 'Hubble Constant', etc. But why say that we're expanding towards a "Big Rip"? To expand in such a way means we're expanding away from a source (the Big Bang) but how do we know where that source is? We know of phenomena like "The Great Attractor", the universe is massive, who's to say that everything isn't just moving around a lot or being pulled towards/away from a much larger gravitational source? This article prompted the thought, we keep realizing we're moving "faster than expected". We don't know enough about Dark Energy/Dark Matter, perhaps this theory is wrong. [link] [comments]  |
| How does churning cream into butter reduce its lactose concentration? (4%-1%) Posted: 27 Feb 2018 01:21 AM PST |
| Posted: 26 Feb 2018 11:47 AM PST |
| How difficult is it to make a perfect diamond? Or any other crystal for that matter? Posted: 27 Feb 2018 01:13 AM PST While reading about diamond anvil cells it said the press consists of two perfect diamonds, which makes sense as any cracks or other imperfections should destroy the diamonds under that pressure. But when those diamonds are made, how can we be sure there isn't any impurities present? What's the margin of error? Just how perfect is "perfect"? [link] [comments]  |
| So how do programming languages work? Posted: 26 Feb 2018 07:06 PM PST How do programming languages work? We type text and then that text is interpreted into making something happen. But how? [link] [comments]  |
| Why doesn’t the earths core cool and harden? Posted: 27 Feb 2018 05:21 AM PST From what little I understand about the way heat dissipates I would think it would cool and harden into rock [link] [comments]  |
| Do we need the van Allen Belts as a protection from radiation? Posted: 27 Feb 2018 07:27 AM PST I read that a potential space elevator would cancel the van Allen Belts by grounding them. Would that strip the Earth from radiation protection? And how would a space elevator do that cancel the belts? Also what do the sprites(lightning that goes up into space) have to do with them? Are they the reason for creating the gap between the belts? [link] [comments]  |
| Why do most cables have ridges at the ends? Posted: 27 Feb 2018 07:21 AM PST Why are most USBs and other types of cables made with the ridge like structure towards the end of the cable? Does it solve any purpose, and if yes, how good is it at doing so? Here's a link to the image I posted to make it easier to understand what I'm talking about: https://imgur.com/a/MGIM1 Sorry for not being able to explain the question further. English isn't my first language. :) [link] [comments]  |
| Posted: 26 Feb 2018 01:01 PM PST Same idea for something like a chairlift. These motors are always moving at the same speed and do so smoothly, but wouldn't they have to be constantly adjusting power dependent on the size of the load? What's the feedback mechanism for that? [link] [comments]  |
| What impact has the Great Wall of China had on animal populations? Posted: 26 Feb 2018 06:03 PM PST I saw a post about the Great Wall of China in another subreddit, then not long after I saw a post about overpasses in the US specifically to facilitate animal migration. My question is that since the Great Wall was constructed has there been any noticeable impact on the local flora or fauna? Has it been in place long enough to encourage the beginnings of speciation in any populations of animals or has any other sign of microevolution been ascribed to the Great Wall? [link] [comments]  |
| How do we establish elevation on another planet that has no ocean, ex. Mars? Posted: 26 Feb 2018 09:42 AM PST Do we pick the lowest point on the planet and call that zero? Or what do we use for "zero" elevation, when there is no ocean? [link] [comments]  |
| Humans have fingerprints, do we have anything of sorts for animal kingdom? Posted: 27 Feb 2018 04:23 AM PST |
| Posted: 27 Feb 2018 03:36 AM PST The standard time down to seconds and microseconds, where and who is responsible for keeping it? My assumptions are:
Who is the entity/organization that deals with this? What are (other) interesting facts about keeping time that might be interesting to find out? [link] [comments]  |
| Why are most recent data transfer standards serial, rather than parallel? Posted: 26 Feb 2018 06:40 PM PST We have Universal Serial Bus, Serial AT Attachment, Serially Attached SCSI, PCI Express which is also a serial standard, HDMI, DP, and so on. It appears the transition from parallel communication to serial generally occurred over the 2000s, but why? What were the driving factors behind this change? And given the speed and processing power of today's devices, does it make sense to 're-parallelise' serial connections again (which is already done to some extent with PCIe lanes) to increase throughput? [link] [comments]  |
| If a hexagon is the strongest shape, why aren't tunnels and archways hexagonal? Posted: 27 Feb 2018 05:39 AM PST |
| How is uranium 238 transformed into uranium 235? Posted: 27 Feb 2018 04:38 AM PST |
| When do facial bones stop growing? Posted: 26 Feb 2018 11:10 AM PST |
| Is atmospheric pressure measurably higher somewhere like the lowest point in death valley? Posted: 26 Feb 2018 08:10 PM PST |
| Why is it much harder to recite the alphabet in reverse than numbers when both follow a set order? Posted: 26 Feb 2018 11:12 AM PST Both numbers and the alphabet follow a set order. "b" comes after "a" just as 2 comes after 1. But it is way more easier to recite numbers in reverse from any arbitrary number given but it is harder to recite the alphabet in reverse without practice. [link] [comments]  |
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