A month ago we made available publicly via the CERN Open Data Portal 300 TB of research data from the CMS Experiment at CERN’s Large Hadron Collider. AUA about our open data! |
- A month ago we made available publicly via the CERN Open Data Portal 300 TB of research data from the CMS Experiment at CERN’s Large Hadron Collider. AUA about our open data!
- How has life affected what the Earth looks like?
- Do objects orbiting close to black holes ever get flung out into space at near light speed?
- When talking to someone through two cups attached by a string, why do you hear their voice louder than just talking through air at the same distance?
- How do computers/digitizer watches know how long a second is?
- Does the size of a ferromagnetic metal related to its magnetic strength?
- Can spacetime wrap in such a way that the universe would be finite with no border ?
- What influences the size/morphology of magnetic domains and their boundaries in ferro/ferrimagnetic materials?
- Does El Niño/La Niña impact the ITCZ?
- Why can't alpha particles cause nuclear reactions like neutrons? Is it their size or the electrostatic interactions?
- If an astronomical object was orbiting a brown dwarf, would it be classified as a planet, a moon or something else?
- Why do most installers and software refer to 32 bit as "x86", yet 64 bit is still just "x64"?
- Is there anything interesting about adding a "small cardinal axiom?"
- Do plastics ever become pourable with enough heat?
- Are there precious metals humanity relies on that we are in danger of running out of?
- What's the difference between the different lobes of the brain?
- Does fracking definitively cause earthquakes?
- Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology
- Is it possible to control which direction heat flows on the atomic of molecular levels?
- What is this 4,61 km big thing moving over the ocean floor and leaving a visible trail?
- Are watermelons, melons and cantaloupes related to pumpkins ?
| Posted: 26 May 2016 05:00 AM PDT Hi /r/AskScience! As the title of the /r/technology post said, we dropped 300 Terabytes of LHC data to the internet a month ago via the CERN Open Data Portal. The data, from the Compact Muon Solenoid (CMS) Experiment, are now in the public domain under the CC0 waiver. The datasets include over 100 TB of data from proton collisions at 7 TeV, making up half the data collected by the CMS detector in 2011. The data are provided in the format that is used by CMS scientists for performing physics analyses. We have also provided 200 TB of simulated data (Monte Carlo) generated with the same software version that should be used to analyse the primary datasets. Read more about the data release. A year and a half ago, when we first launched the CERN Open Data Portal, we conducted an AMA about the first release of open data on the portal and about open science in general. Today, we want to talk to you not just about our motivations for making such large datasets available openly and the challenges involved in doing so, but also about how our data are being used for research as well as in education. We are:
We'll sign our posts with our initials (see above) so you know who said what. Just to be clear, we are speaking with you in our personal capacities and neither CERN nor our home institutes necessarily support the views expressed during the AMA. We are also joined by:
We'll answer your questions from 16:00 CEST until around 18:00 CEST (UTC+02). About the CERN Open Data Portal
About CERN
For updates, news and more, head over to our unofficial home on reddit: /r/CERN! CERN projects you can join [link] [comments]  |
| How has life affected what the Earth looks like? Posted: 25 May 2016 03:13 PM PDT How has biological life affected what the Earth looks like? If that's too broad a question I've got some specific ones below, and I'd love answers to any of them. Thanks for any interest in answering.
Thanks again! [link] [comments]  |
| Do objects orbiting close to black holes ever get flung out into space at near light speed? Posted: 25 May 2016 01:35 PM PDT If possible, could earth be pulverized at any time without warning by an asteroid flying through the solar system at .99c? [link] [comments]  |
| Posted: 25 May 2016 10:52 PM PDT Any formulas to help explain this would be awesome! [link] [comments]  |
| How do computers/digitizer watches know how long a second is? Posted: 26 May 2016 01:03 AM PDT I assume computers/digital watches/stopwatches calculate time by "knowing" that there's 24 hrs in a day, 60 minutes to an hour, 60 seconds in a minute. If that's correct, how do those devices know how long a second is? Edit: on mobile, can't fix autocorrect in title, meant to say digital watch not digitizer [link] [comments]  |
| Does the size of a ferromagnetic metal related to its magnetic strength? Posted: 25 May 2016 08:26 PM PDT If not, what factors explain magnetic strength? Also, are there any ferromagnetic elements that are magnetised by default (as in without requiring an applied voltage to make permanent) ? [link] [comments]  |
| Can spacetime wrap in such a way that the universe would be finite with no border ? Posted: 25 May 2016 11:54 AM PDT |
| Posted: 25 May 2016 03:49 PM PDT It is known that multiple magnetic domains can exist in a single crystalline grain of metal. In other words, if there exists a polycrystalline material with n grains, there can be >n magnetic domains, since each grain can have multiple magnetic domains. What factors influence the creation of magnetic domains and their boundaries? [link] [comments]  |
| Does El Niño/La Niña impact the ITCZ? Posted: 26 May 2016 06:22 AM PDT I have a basic understanding of the role the ITCZ plays in the monsoon cycle, but I'm curious if a strong ENSO changes the behavior of the ITCZ - thus impacting monsoons. [link] [comments]  |
| Posted: 26 May 2016 05:15 AM PDT |
| Posted: 25 May 2016 07:11 PM PDT Title pretty much says it all, except I also wonder if this could even happen, as it seems like all brown dwarfs are rouge? (I could be mistaken.) Thanks in advance! [link] [comments]  |
| Why do most installers and software refer to 32 bit as "x86", yet 64 bit is still just "x64"? Posted: 25 May 2016 04:51 PM PDT |
| Is there anything interesting about adding a "small cardinal axiom?" Posted: 25 May 2016 06:36 PM PDT I'm really not sure how to properly articulate this idea or if it is even meaningful, but ... we use the axiom of infinity to guarantee the existence of an infinite set with cardinality aleph-null, and we can use the power set operation to construct aleph cardinals greater than aleph-null. We can also add large cardinal axioms and reason about cardinalities strictly greater than all aleph cardinals, and that gets quite interesting mathematically. What if we added something like a "small cardinal axiom" to axiomatically state the existence of a set where, say ... the cardinality of the power set of this set is aleph-null, so it must therefore have a transfinite cardinality that is strictly lesser than aleph null. Or perhaps something more along the lines of constructing fractional or even infinitesimal cardinalities, axiomatically stating the existence of a set with cardinality strictly greater than zero and strictly lesser than one. Or even with a negative cardinality? Is anything like these ideas possible without creating an inconsistent axiomatic system? If so, is there anything particularly interesting about such systems? Thanks in advance for entertaining the idea! [link] [comments]  |
| Do plastics ever become pourable with enough heat? Posted: 25 May 2016 08:21 PM PDT From what I can find, plastics such as HDPE require not only heat but pressure to take the form of a mould. Do heated plastics never reduce in viscosity to the point of becoming pourable? [link] [comments]  |
| Are there precious metals humanity relies on that we are in danger of running out of? Posted: 25 May 2016 06:32 PM PDT |
| What's the difference between the different lobes of the brain? Posted: 25 May 2016 10:31 PM PDT I don't mean functionally, but physically, what at the fundamental level defines which part of the brain does what, isn't it all just a big mesh of neurons? How does the brain know that these neurons control movement and these my heart rate, and these vision? Is it just dependant on what they're connected to (like my heart or my eyes) but fundamentally they're identical? [link] [comments]  |
| Does fracking definitively cause earthquakes? Posted: 25 May 2016 02:51 PM PDT There has been a few documentaries and some severely contested studies but nothing I can find gives a clear answer. [link] [comments]  |
| Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology Posted: 25 May 2016 08:05 AM PDT 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]  |
| Is it possible to control which direction heat flows on the atomic of molecular levels? Posted: 25 May 2016 11:54 AM PDT Is there a material that can transfer heat in desired directions rather than just march towards equalizing temperatures between two objects? I don't have a background in physics or chemistry, I just had a curious thought after thinking about how well my Yeti cup keeps things cold. I'd love to learn more about our understanding of heat flow, and any cool efforts ongoing on the subject. [link] [comments]  |
| What is this 4,61 km big thing moving over the ocean floor and leaving a visible trail? Posted: 25 May 2016 05:27 AM PDT https://youtu.be/4hQ-rtEEAH4?t=3m16s I stumbled over this video, and I would really like some awnsers other than "aliens". This looks really intriguing and I wonder why i never heard of this before. I posted it to /r/whatisthisthing but videos are not allowed there. There must be a normal explanation for this, right? [link] [comments]  |
| Are watermelons, melons and cantaloupes related to pumpkins ? Posted: 25 May 2016 06:10 AM PDT |
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