How does the International Space Station regulate its temperature? |
- How does the International Space Station regulate its temperature?
- How do we know that the universe is ~13.7 billion years?
- Why do we lose consciousness?
- Is it possible for a rocky planet to be the size of, say, Jupiter, or is there a maximum size limit for rocky planets?
- AskScience AMA Series: I am Fabien Cousteau, an Aquanaut, Oceanographic Explorer, Environmental Advocate, Documentary Filmmaker, Founder of the Fabien Cousteau Ocean Learning Center, and Grandson of Jacques Cousteau. Ask me anything!
- Why does drinking methanol (CH3OH) cause blindness while drinking ethanol (CH3CH2OH) doesn't?
- How does a "direct collapse black hole" form without going through a star or supernova phase?
- How does one die of old age?
- Happy Pi Day everyone!
- Why Chemotherapy doesn't work when the cancer is in stage 4/metastasized?
- [Biology] Are there many non-social co-operative predators?
- Can you contract multiple strains of the flu at one time?
- The sun appears to move faster during sunrise or sunset. Why?
- What is the purpose of the salt in many anaesthetics?
- Does anyone know what this diseas is called?
- Is there a difference between divergent evolution and cladogenesis? Or is cladogenesis an example of divergent evolution?
- Pi is not a random number. Yet, when you look at a tabulation of 0-9 frequencies, they eventually even out to resemble a random data set. Why is this?
- Do our ears have any added protection from loud noises we ourselves vocalize, like screams, or high pitched singing? Example: would Opera Singers and horror film actresses have a higher rate of hearing loss at the pitches they sing/scream?
- What are the mechanics behind Armor piercing tank shells?
- Does violation of the 2nd Law of Thermodynamics allow for the possibility of time travel?
- Is all cellular damage ultimately just genetic damage?
- are there any tree species that have both deciduous and coniferous in the family?
- why is it easier to balance a spinning ball on your finger than one standing still? and in general, does this role apply to any shape?
- How do neurons do math, (like adding, subtracting)?
| How does the International Space Station regulate its temperature? Posted: 14 Mar 2019 10:40 PM PDT If there were one or two people on the ISS, their bodies would generate a lot of heat. Given that the ISS is surrounded by a (near) vacuum, how does it get rid of this heat so that the temperature on the ISS is comfortable? [link] [comments]  |
| How do we know that the universe is ~13.7 billion years? Posted: 14 Mar 2019 09:48 PM PDT I know the universe is 13.7 billion years, but how do we know so? Is it just the fact that light from 13.7 billion light years is the farthest we can see or other reasons? [link] [comments]  |
| Posted: 14 Mar 2019 10:00 PM PDT Why do we lose consciousness? I was thinking about this recently. We can get knocked out from a number of different things — lack of oxygen to the brain, head trauma, fainting (for example, at the sight of blood). These are all very different causes, so what's the common link between them that creates the same symptom? I know that there probably tons of different ways to be unconscious, and that a blow to the head knocks us out differently from anoxia, but what is it in how the brain is wired that makes consciousness the first thing that always shuts down when something happens to the brain? I know that some children will hold their breath until they pass out and start breathing again. Would it be correct to say that in some cases, losing consciousness can act as a sort of circuit breaker in your brain? If so, what about other times? [link] [comments]  |
| Posted: 15 Mar 2019 04:33 AM PDT |
| Posted: 15 Mar 2019 04:00 AM PDT As the first grandson of Jacques-Yves Cousteau, I spent my early years aboard my grandfather's famous ships, Calypso and Alcyone; learning how to scuba dive on my fourth birthday. I am known for my study of sharks and from 2000-2002, I was an Explorer-at-Large for National Geographic and collaborated on a TV special aimed at changing public conceptions about sharks called, "Attack of the Mystery Shark". Then in 2003-2006, I produced the documentary, "Mind of a Demon", that aired on CBS. With the help of a large crew, I created a 14-foot, 1,200-pound, lifelike shark submarine called "Troy" that allowed me to immerse myself inside the shark world, providing viewers with a rare view of the mysterious and often misunderstood creatures. This also led to the inspiration behind my new book, GREAT WHITE SHARK ADVENTURE. For the next four years (2006-2010), I was part of a multi-hour series for PBS called, "Ocean Adventures" with my father, Jean-Michel Cousteau, and sister, Celine. This was inspired by my grandfather's famous 1978 PBS series, "The Cousteau Odyssey". In the following years, and as a member of multiple cause-driven and charitable boards I have been working with local communities and children worldwide to help restore local water ecosystems. In June 2014, my team of aquanauts embarked on Mission 31, the longest science expedition to take place at Aquarius, the world's only underwater marine laboratory located in Florida. Mission 31 broke new ground in ocean exploration and honored the 50th anniversary of his grandfather's original underwater living experiment (Conshelf Two) by going deeper, longer and further, while broadcasting each moment live on multiple channels exposing the world to the adventure, drama and mystique of what lies beneath. Early in 2016 I founded the Fabien Cousteau Ocean Learning ("OLC") to fulfill my dream of creating a vehicle to make a positive change in the world. Last week, the first book in my new graphic novel series, GREAT WHITE SHARK ADVENTURE, came out from the Margaret K. McElderry Books, an imprint of Simon and Schuster Children's Publishing. You can learn more about me at my website, on Twitter, or on Facebook. I will be on about 2pm (ET, 18 UT), ask me anything! [link] [comments]  |
| Why does drinking methanol (CH3OH) cause blindness while drinking ethanol (CH3CH2OH) doesn't? Posted: 15 Mar 2019 03:31 AM PDT Even though the difference between the two is only one carbon. [link] [comments]  |
| How does a "direct collapse black hole" form without going through a star or supernova phase? Posted: 14 Mar 2019 09:26 PM PDT |
| Posted: 15 Mar 2019 04:36 AM PDT |
| Posted: 14 Mar 2019 09:46 AM PDT Today is 3/14/19, a bit of a rounded-up Pi Day! Grab a slice of your favorite Pi Day dessert and come celebrate with us. Our experts are here to answer your questions all about pi. Check out some past pi day threads. Check out the comments below for more and to ask follow-up questions! From all of us at /r/AskScience, have a very happy Pi Day! And don't forget to wish a happy birthday to Albert Einstein! [link] [comments]  |
| Why Chemotherapy doesn't work when the cancer is in stage 4/metastasized? Posted: 15 Mar 2019 03:52 AM PDT |
| [Biology] Are there many non-social co-operative predators? Posted: 15 Mar 2019 05:03 AM PDT I was watching a documentary on komodo dragons and while they seem to be mostly solitary their hunting strategy seems to be fundamentally co-operative. When an animal dies from a komodo bite it attracts other komodo dragons the meal is shared. Is this common in nature? [link] [comments]  |
| Can you contract multiple strains of the flu at one time? Posted: 15 Mar 2019 04:44 AM PDT |
| The sun appears to move faster during sunrise or sunset. Why? Posted: 14 Mar 2019 09:43 PM PDT |
| What is the purpose of the salt in many anaesthetics? Posted: 14 Mar 2019 10:39 PM PDT I am not certain I used the right words and phrasing in the title, but I wondered what the purpose of the salt in many anaesthetics is e.g. morphine sulfate and ketamine hydrochloride, why not just morphine or ketamine? Am I missing something very basic here? I tried googling it but I couldn't really find an answer. Thanks in advance for any help. [link] [comments]  |
| Does anyone know what this diseas is called? Posted: 15 Mar 2019 06:07 AM PDT I remember it causes people to involuntarily do things to hurt themselves and others they don't want to and urine often crystallizes with it, it's a genetic disorder with the brain. [link] [comments]  |
| Posted: 14 Mar 2019 11:13 PM PDT |
| Posted: 14 Mar 2019 06:26 PM PDT Do lots of other constants do this? How many have enough digits, let alone presumably infinite, to achieve that kind of even 0-9 distribution? Thanks. [link] [comments]  |
| Posted: 14 Mar 2019 08:40 PM PDT |
| What are the mechanics behind Armor piercing tank shells? Posted: 14 Mar 2019 09:53 PM PDT As well as APHE (armor piercing high explosive) and API (armor piercing incendiary) how do they function and how do they function effectively? [link] [comments]  |
| Does violation of the 2nd Law of Thermodynamics allow for the possibility of time travel? Posted: 15 Mar 2019 03:31 AM PDT My understanding is that this law dictates that arrow of time can only flow one way (into the future - toward increasing entropy) limiting any travel back to a previous event. If a study could show that this law could be violated would this allow the possibility of time travel (obviously excluding the practical problems it would entail)? [link] [comments]  |
| Is all cellular damage ultimately just genetic damage? Posted: 14 Mar 2019 10:22 PM PDT For example, a person gets hit in the head and gets a concussion which results in damage to their brain cells. Does this "damage" to their brain cells basically boil down to the fact that the genes in the cell can't do their job, replicate, etc. anymore? If so, does this mean that all cellular damage is ultimate just genetic damage? Or, am I missing something? Cheers. [link] [comments]  |
| are there any tree species that have both deciduous and coniferous in the family? Posted: 14 Mar 2019 03:49 PM PDT been trying to find a tree species that is both coniferous and deciduous? like how a white oak has smooth broad leafs that they lose in the fall and a pine tree is needle like that remain on the tree all year are there any tree species's that have both types of tree types been trying to find a tree species that can have both types [link] [comments]  |
| Posted: 15 Mar 2019 01:06 AM PDT for example - would it be easier to balance a spinning car on a pole or balancing it while standing still? [link] [comments]  |
| How do neurons do math, (like adding, subtracting)? Posted: 14 Mar 2019 02:08 PM PDT From my understanding, neurons are just wires that carry a signal, and have no means of computation like the logic gates in computers. How do they do it? [link] [comments]  |
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