What happens to gravity when mass is converted into energy? |
- What happens to gravity when mass is converted into energy?
- Can nuclear waste from a reactor be used to create energy still?
- How does a CANDU reactor work?
- Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology
- How do we make the thick sheets of armor for tanks and warships?
- The latitude of the northernmost point in Antarctica (63°S) is comparable to substantial settlements in the northern hemisphere such as Anchorage (61°N) or Fairbanks (64°N), but the conditions for habitation appear to be much worse. What is the reason for this?
- Why is there such a massive gap between galaxies? Why isn't the universe just one giant cluster?
- I was reading about Oviraptors, and it seems they aren't part of the Dromaeosauridae family. Why are they called raptors then?
- How does the secondary current of a transformer behave?
- How and why does the human body become tolerant to drugs?
- Do all stars spin? And what is the source of a star's angular momentum?
- Will I able to sit in a free floating chair in water as I do normally in land? Why or why not?
- How does menthol clear your sinuses and break up congestion?
- Is it possible to correctly determine the age of a (living) person by conducting some tests on them?
- What triggers trees to shed their leaves?
- Why on a cellular level do we die (rather than go into stasis)?
| What happens to gravity when mass is converted into energy? Posted: 08 Nov 2016 01:55 PM PST An objective that has mass also has gravity. If the mass is converted into energy, what happens to this gravity? [link] [comments]  |
| Can nuclear waste from a reactor be used to create energy still? Posted: 08 Nov 2016 03:01 PM PST It still produces heat so can't it be used in a BWR reactor again? [link] [comments]  |
| How does a CANDU reactor work? Posted: 09 Nov 2016 04:13 AM PST So im reading a bit about the subject, and came across the Canada Deuterium-uranium reactor. I wonder why it can use natural occuring uranium as fuel and heavy water moderator? Wouldnt the d2o slow down the neutrons to thermal state, and making the u-238 less likely to fission? [link] [comments]  |
| Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology Posted: 09 Nov 2016 07:05 AM PST Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Economics, Political Science, Linguistics, Anthropology Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! [link] [comments]  |
| How do we make the thick sheets of armor for tanks and warships? Posted: 08 Nov 2016 08:17 AM PST So I was just wondering, the composite armor that we use for tanks and the battleships of old are extremely thick and hard, so how do we shape/mold them? How do we fashion this extremely hard and durable materials into the specific shape of a tank or the hull of a ship and how do we get various different sections of the hull to join together? I'm assuming that welding doesn't work due to just how strong the materials are. [link] [comments]  |
| Posted: 08 Nov 2016 01:56 PM PST |
| Why is there such a massive gap between galaxies? Why isn't the universe just one giant cluster? Posted: 09 Nov 2016 06:53 AM PST |
| Posted: 09 Nov 2016 01:48 AM PST Dromaeosauridae is the raptor family. I'm wondering how, if at all, are oviraptors and the raptor family related? [link] [comments]  |
| How does the secondary current of a transformer behave? Posted: 08 Nov 2016 05:34 PM PST Image you have 230V and 10A at the primary circuit and you have 11500V and 0.2A at the secondary circuit. So when I place a 50 Ohm resistor in parallel with the secondary circuit, will the current be 0.2A in that resistor because the secondary circuit can only provide that much or will the current be 11500V / 50 Ohm = 230A. Then what will happen to the secondary Voltage? Or what would happen if i place a 500kOhm resistor in parallel with the secondary circuit, will the current be only 0,023A and will the voltage rise? [link] [comments]  |
| How and why does the human body become tolerant to drugs? Posted: 09 Nov 2016 12:31 AM PST |
| Do all stars spin? And what is the source of a star's angular momentum? Posted: 08 Nov 2016 06:16 PM PST From what I understand of astronomy, which is admittedly not very much, stars form from clouds of mostly hydrogen and helium which collapse through gravitational attraction until sufficient mass and density for sustained nuclear fusion. Wikipedia says that developing protostars acquire protoplanetary disks as
But why do solar nebulae rotate in the first place? Is that just a necessary condition for star formation or is there another mechanism at work? Would it be possible for a start to form without spinning? [link] [comments]  |
| Will I able to sit in a free floating chair in water as I do normally in land? Why or why not? Posted: 09 Nov 2016 03:39 AM PST |
| How does menthol clear your sinuses and break up congestion? Posted: 08 Nov 2016 07:02 PM PST |
| Is it possible to correctly determine the age of a (living) person by conducting some tests on them? Posted: 08 Nov 2016 01:50 PM PST I know there is carbon dating for fossils but if I want to determine the age of a person or an animal, is it possible through some biological tests? [link] [comments]  |
| What triggers trees to shed their leaves? Posted: 08 Nov 2016 10:04 AM PST Is it temperature or something else that signals it is time for the leaves to fall? [link] [comments]  |
| Why on a cellular level do we die (rather than go into stasis)? Posted: 08 Nov 2016 03:52 PM PST When there is an interruption in the supply of O2 or organic fuel molecules to our cells (or an interruption in both, such as when blood flow is interrupted), it's obvious that cellular respiration will have to cease as the process runs on O2 and organic fuel. Thus, whatever ATP a cell already has should be fairly quickly depleted, and cellular activity will cease. But why does this lead to our death? Why doesn't this lack of ATP (and consequent lack of the cell to be able to DO anything) simply lead to some kind of stasis? Rather than irreversible tissue damage and/or death of the organism, why don't we simply see a situation where muscles can't contract, nerves can't fire due to loss of Na/K-ATPase pump, etc...but with the possibility of recover once the supply of O2 and fuel is restored? Most machines seem to work this way...when I unplug my computer from it's power supply, it doesn't cause permanent damage to its circuits! In other words, there must be at least some cellular functions that need to be done without interruption in order to avoid permanent damage to the cells, leading to the death of the organism...What cellular functions are like these? Is it that the proteins or other components start to break down, perhaps without some kind of ATP-powered enzymatic maintenance going on? **FYI, I've posted this in the past on another forum, but I think I'll get better answers here! [link] [comments]  |
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