What is the most common colour in the universe? |
- What is the most common colour in the universe?
- What exactly is happening when a computer gets old and goes slow?
- All graphs show that year over year the average temperature is rising, but 1940-1950 seemed to be statistically higher than the previous and next decades. Could WW2 have caused a higher temperature global or is that a coincidence?
- Do mirrors have a resolution?
- Why does swinging two balls from a newton's cradle cause two balls to bounce out the other side instead of one ball with twice the force?
- Does any species other than humans suffer from bad posture?
- What about young humans and animals makes them averse to the risk of climbing down stairs?
- How likely is it that the Yellowstone Volcano erupts?
- Why does my tea change color when I add lemon juice to it?
- What is the mass of rotation of Earth?
- How did Copernicus arrive at the conclusion that not the Earth but the Sun was the center of our solar system?
- Why does light from a point source become more coherent with distance?
- What proportion of the earth's surface temperature is a product of interior processes vs. radiation from the sun?
- This may be dumb, but how does ZzQuil work?
- Do "non-water rainbows" exist and (if yes) what do they look like?
- How are relative causal effects of variables (in percents) calculated for a given shock?
- Does an electron wavefunction's +1/2 or -1/2 spin "create" a dipolar Magnetic Field? How?
- How do we see familiar star systems at night all year round? My son and I can't seem to figure it out
- Why are SSDs so much more expensive than regular flash drives like USB?
- [Chemistry]What Causes Triboluminescence?
- Fourier convergence being faster?
| What is the most common colour in the universe? Posted: 20 Aug 2016 11:37 PM PDT |
| What exactly is happening when a computer gets old and goes slow? Posted: 20 Aug 2016 10:18 PM PDT Do the components slowly deteriorate and hinder the flow of electricity? [link] [comments]  |
| Posted: 21 Aug 2016 06:09 AM PDT |
| Posted: 20 Aug 2016 09:33 PM PDT Whats the quality of a mirror I guess I mean, and if the answer is different depending on the mirror, then what would a car mirror's reflection quality be? [link] [comments]  |
| Posted: 20 Aug 2016 03:11 PM PDT Here's a video to show some of the "tricks" I'm wondering about. https://youtu.be/JadO3RuOJGU Why does this occur? Wouldn't one ball simply bounce out the other side with twice the force? [link] [comments]  |
| Does any species other than humans suffer from bad posture? Posted: 20 Aug 2016 09:08 PM PDT |
| What about young humans and animals makes them averse to the risk of climbing down stairs? Posted: 20 Aug 2016 09:42 PM PDT Take a look at this gif for example - http://i.imgur.com/pNnbWVb.gifv This behavior can be seen in puppies as well as very young children. Quite possibly other animals too. Do they have a very different perception of depth? Or is it just a fear of the unknown that makes their survival instinct stop them? [link] [comments]  |
| How likely is it that the Yellowstone Volcano erupts? Posted: 20 Aug 2016 12:30 PM PDT Considering it has been overdue for almost one-hundred thousand years. Considering that it has the potential to kick us back into the stone ages. Edit for clarification: Within 10 years, within 100 years, and within 1000 years. [link] [comments]  |
| Why does my tea change color when I add lemon juice to it? Posted: 20 Aug 2016 02:46 PM PDT I drink a lot of black tea and sometimes I like to add some lemon juice to my cup of tea. When I do so, the tea changes from a deep-brown almost black color to a clear orange color? How and why does it happen? [link] [comments]  |
| What is the mass of rotation of Earth? Posted: 21 Aug 2016 05:48 AM PDT Since rotation is form of kinetic energy, it must have a mass according to equation E=mc², right? [link] [comments]  |
| Posted: 20 Aug 2016 01:09 PM PDT Considering he made this discovery over 500 years ago, even before telescopes had been invented, how did he know that? What were the reasons for him to start to doubt the then almighty image of geocentrism propagated by the Church and most of his fellow scientists of that time? To me it sounds like a terrific discovery for a man living in medieval times! [link] [comments]  |
| Why does light from a point source become more coherent with distance? Posted: 21 Aug 2016 12:04 AM PDT As I understand, the light from distant stars are dim when they get here, but are more or less a narrow laser the color of that star's superposition of radiation. [link] [comments]  |
| Posted: 20 Aug 2016 01:49 PM PDT |
| This may be dumb, but how does ZzQuil work? Posted: 20 Aug 2016 09:14 PM PDT I've never really understood. but also haven't looked into it, figured I would start here! [link] [comments]  |
| Do "non-water rainbows" exist and (if yes) what do they look like? Posted: 20 Aug 2016 12:37 PM PDT I've been thinking about rainbows from other liquids than water (e.g. gasoline) and wether they'd look like regular ones [link] [comments]  |
| How are relative causal effects of variables (in percents) calculated for a given shock? Posted: 20 Aug 2016 10:06 PM PDT My question is mainly economics-based, but derived from statistics (mathematics). So, I skim through economic studies (usually at the abstract to find the broad trend in it). In one recent study that talked about the relative decline in future economic growth for the U.S. due to the aging productivity (http://www.nber.org/papers/w22452), it said "Two-thirds of the reduction is due to slower growth in the labor productivity of workers across the age distribution, while one-third arises from slower labor force growth." So, my question is how do you calculate those "two-thirds" and "one-thirds" in statistics that represent the percentage portion a variable change is for a given shock which in this case is the future decline in economic growth? To give another example, in the movie adaptation of Freakonomics, it made the famous claim in it that the legalization of abortion was responsible for much of the 1990s crime drop. Specifically, it said about 45% of the crime drop can be attributed to it. So, overall, how do you calculate those percentage casual figures for a variable within statistics as I seek to learn this skill for the future? [link] [comments]  |
| Does an electron wavefunction's +1/2 or -1/2 spin "create" a dipolar Magnetic Field? How? Posted: 21 Aug 2016 01:41 AM PDT |
| Posted: 20 Aug 2016 02:55 PM PDT My son asked me this question and I couldn't give him an answer that works. The earth orbits the sun roughly every 365 days but how do we see the same stars at night? Are they possibly following us at the same speed? I know the answer is probably quite simple. Does anybody care to help? A diagram may be easier to understand. Thanks. Edit: Diagram: https://gyazo.com/4eb925d32d8653859083ca72896cf79d Which ones correct ? Or Both wrong? Please explain. Thanks [link] [comments]  |
| Why are SSDs so much more expensive than regular flash drives like USB? Posted: 20 Aug 2016 01:38 PM PDT They are both flash memory, the only difference is how they are connected to a computer, and also the controller. Does that controller really cost 100$ more? [link] [comments]  |
| [Chemistry]What Causes Triboluminescence? Posted: 20 Aug 2016 08:40 PM PDT I know that Triboluminescence is caused when a substance is broken, scratched, etc. but, what is the science behind it? [link] [comments]  |
| Fourier convergence being faster? Posted: 20 Aug 2016 01:35 PM PDT Can someone help me understand how numerical iteration methods for scientific solutions can converge faster in fourier space than typical euclidean space. For instance, ewald summation in molecular dynamics converges long range interactions faster by considering them in fourier space. Any help would be appreciated. [link] [comments]  |
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