What's happening in our brains when we're trying to remember something? |
- What's happening in our brains when we're trying to remember something?
- If you stand on a skateboard, hold an umbrella in front of you, point a leafblower at it and turn it on, which direction will you move?
- Has natural selection lead to animals having a better ability to cross the road than the animals in the early 1900s?
- If the ITCZ is located over the Arabian Peninsula in July and there are bodies of water and a warm current, why is it still desert?
- Can the equation E=MC^2 be applied to nuclear fission?
- How can we calculate how close Halley's Comet came to the Earth in the past?
- How to deal with a person who has a pacemaker and needs to do an fMRI?
- Does the aurora borealis appear on other planets too? If so does that mean they're potentially habitable?
- Can birds feel things they touch with their beak, if so how does this work?
- Why do muscles loose mass over time without exercising?
- What was the biggest cell ever existed on planet Earth?
- Do bird songs evolve over time?
- Why are some salts saltier than other salts?
- When the weather report says the temperature is X, but it feels like Y because of the humidity, what is the relative humidity they're assuming for Y?
- This time of year, towns across the US are littered with campaign signs. Do they have any measurable influence?
- If the Gibbs energy of mixing two ideal liquids is negative, does this mean that work can be extracted from this process?
- What are orbital resonances, and what are their effects on the bodies involved?
- Do satellites generally have on-board computers, and what are they like?
- Does the concept of Zero/Infinity exists in your Universe?
- Is body fat under the dermis in your skin really yellow, or is it only shown that color in models for ease of understanding?
| What's happening in our brains when we're trying to remember something? Posted: 30 Sep 2018 04:36 PM PDT |
| Posted: 01 Oct 2018 06:29 AM PDT |
| Posted: 30 Sep 2018 04:32 PM PDT |
| Posted: 30 Sep 2018 11:39 AM PDT Why are the coasts of the Red Sea, Arabian Sea and Persian gulf arid if the ITCZ is loacted over Saudi Arabia in July? Wouldn't the onshore winds and warm currents give the region a tropical savanna climate with moist summers and extremely dry winters due to the presence of the subtropical high in January. [link] [comments]  |
| Can the equation E=MC^2 be applied to nuclear fission? Posted: 30 Sep 2018 09:32 PM PDT In high school physics I remember having questions asking something like "if x grams of uranium undergoes nuclear fission in a reactor how much energy is released?" and we had to us the equation to solve the question. However, from what I understand, E=MC^2 describes matter turning completely to energy. Also nuclear fission only turns a small percent of the matter into energy. So since there is matter left after the uranium fissions, wouldn't using x as the input for M in the equation be incorrect? [link] [comments]  |
| How can we calculate how close Halley's Comet came to the Earth in the past? Posted: 30 Sep 2018 04:43 PM PDT I understand we can get a lot from how people reported sightings at the time. Such as how bright it was, etc. However, when I look at a chart of the comet's previous sightings some of them include a number in astronomical units suggesting how close the comet was at the time. How can we work this out for some years but not others? What methods do astronomers use to calculate how close something came to Earth in the past? [link] [comments]  |
| How to deal with a person who has a pacemaker and needs to do an fMRI? Posted: 30 Sep 2018 11:28 AM PDT |
| Posted: 01 Oct 2018 03:58 AM PDT I never thought of other plants having an aurora but if they do, does that mean life is on the planet or how does the aurora borealis work for other planets? Are there conditions [link] [comments]  |
| Can birds feel things they touch with their beak, if so how does this work? Posted: 30 Sep 2018 12:42 PM PDT |
| Why do muscles loose mass over time without exercising? Posted: 30 Sep 2018 06:48 PM PDT |
| What was the biggest cell ever existed on planet Earth? Posted: 30 Sep 2018 01:10 PM PDT Not necessarily a unicellular creature, it might even be an egg or a plant/animal with really big cells. [link] [comments]  |
| Do bird songs evolve over time? Posted: 30 Sep 2018 12:32 PM PDT |
| Why are some salts saltier than other salts? Posted: 30 Sep 2018 10:37 AM PDT So, I saw this post here on Reddit https://www.reddit.com/r/pics/comments/9k5lj5/a_perfect_salt_crystal_i_grew/?ref=share&ref_source=link And a commenter replied with a picture of a halite he got from a mine somewhere. When someone asked him to taste it, he said that it tastes less salty than the common table salt. I, for one, am from the Philippines. I grew up living with only two kinds of salt: Sea salt and Iodized salt. Both of them are really salty. Which was a surprise to me when I first tried a pinch of Pink Himalayan salt. It tastes far less salty compared to the same amount of sea salt and iodized salt that I grew accustomed to. And also, watching cooking shows both on TV and online, I cringe when the cooks apply too much salt on their dish. That much salt using what we have here would render our food too salty. So, it makes me wonder. What makes other salts less salty compared to other salts? Aren't they all crystal formations of Sodium Chloride? If so, then what makes one salt less salty than the other? edit: changed "that" to "than" [link] [comments]  |
| Posted: 30 Sep 2018 05:46 AM PDT For example, if its 75 degrees out and 100% relative humidity, the weather report will say it feels like 80 degrees. But when it comes to how something "feels" to a human, temperature by itself is meaningless, so they must be making an assumption about the relative humidity of the "feels like" temperature. Do they just assume a normal, comfortable relative humidity value like 40-45%? [link] [comments]  |
| Posted: 30 Sep 2018 07:19 AM PDT |
| Posted: 30 Sep 2018 01:54 PM PDT My understanding of the Gibbs energy is that it is a measure of the work that can be extracted from a system. Therefore, if mixing two ideal liquids results in a lower Gibbs energy, does this mean that work can be extracted from the mixing process? [link] [comments]  |
| What are orbital resonances, and what are their effects on the bodies involved? Posted: 30 Sep 2018 07:43 PM PDT For example, Pluto and Neptune are in a 2:3 resonance. What exactly does this mean and how does it effect Pluto and Neptune? [link] [comments]  |
| Do satellites generally have on-board computers, and what are they like? Posted: 30 Sep 2018 05:22 AM PDT Does the average artificial satellite of Earth carry a computer on board? How powerful are they compared to the average person on the ground's smartphone, or laptop? Are there advances in spacefaring computers that make their way into consumer models, or the other way round? I want to know all about computers in space! [link] [comments]  |
| Does the concept of Zero/Infinity exists in your Universe? Posted: 30 Sep 2018 02:52 PM PDT Hi r/askscience, While me and some friends where discussing the 0/0 problem, we hit the question if the concept of Zero and Infinity exist on an cosmic scale in our universe. Here are two examples what I am meaning: 1.) Speed/Energy: As we all know the maximum speed possible in this universe is c, the speed of light, is it possible, that something contains more energy than an object moving at the speed of light? Also does zero speed, the true stop of matter and consequential the absence of energy exist? I know it's impossible to reach Absolute Zero, so I guess the answer is no, but does a solid proof exist? 2.) Same question as above but let's look at matter instead of energy. Space starts to behave weird when too much matter is concentrated at one point, but is the singularity truly infinite? And final question, is the vast space complete empty (complete absence of matter) or could there be something we don't know of? tl:dr: Can energy be infinite / is it possible that energy is complete absence? Same question with matter. Thanks for your answers. Edit: on second thought, if you consider e = mc2 the only question is, if one of both can get infinite or zero. Edit2: I only ask for real proof or consence many scientists agree on, I've read the rules of this sub. [link] [comments]  |
| Posted: 29 Sep 2018 11:50 PM PDT |
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