I don’t understand how AC electricity can make an arc. If AC electricity if just electrons oscillating, how are they jumping a gap? And where would they go to anyway if it just jump to a wire? | AskScience Blog

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Friday, August 30, 2019

I don’t understand how AC electricity can make an arc. If AC electricity if just electrons oscillating, how are they jumping a gap? And where would they go to anyway if it just jump to a wire?

I don’t understand how AC electricity can make an arc. If AC electricity if just electrons oscillating, how are they jumping a gap? And where would they go to anyway if it just jump to a wire?


I don’t understand how AC electricity can make an arc. If AC electricity if just electrons oscillating, how are they jumping a gap? And where would they go to anyway if it just jump to a wire?

Posted: 30 Aug 2019 12:13 AM PDT

Why is the Earth not a perfect sphere? Is more gravity of a body required to become a perfect sphere?

Posted: 30 Aug 2019 05:27 AM PDT

How many bits of information transfer to a black hole via a single photon?

Posted: 30 Aug 2019 04:01 AM PDT

In a lecture by a rather famous physicist L.S. it was described that a single bit could be transferred to a black hole if the photon wavelength is equal to the radius of the black hole. In that case (as was proposed in the lecture) the location information of the photon is unavailable and the total information is just photon 'present or not'.

However is there not also information contained in the photon's polarization, angular momentum- is this information also transferred or unavailable?

submitted by /u/portablefilm
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What is the heat capacity of neutron stars?

Posted: 30 Aug 2019 07:25 AM PDT

What is the heat capacity of neutron star matter? Do we understand the equation of state of neutron star matter enough, to get a rough order of magnitude estimate of it as compared to say, liquid water?

submitted by /u/profdc9
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If you could hear sounds in space how long would it take for the sounds of the sun burning to reach Earth?

Posted: 29 Aug 2019 07:39 PM PDT

It takes about 8 minutes for light to reach Earth from the sun and if the sun were to die out we know about 8 minutes after it happened but since sound moves slower than the speed of light the sound of the sun burning would still be there even if the sun is out so basically what I'm trying to find out is that if the sun went out how long would we hear the sounds of the sun after it died out?

submitted by /u/LongLiveElon
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How do we manufacture only specific isomers/handedness of certain molecules?

Posted: 29 Aug 2019 04:15 PM PDT

My brother is allergic to one of the hands of albuterol, but the one that is only one handed is fine. Thalidomide was fine when it was only one hand but the other shape was the one that caused problems. How are we able to produce one specific one?

submitted by /u/sockpuppet229
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Can blood transfusions also transfer immunities?

Posted: 29 Aug 2019 02:31 PM PDT

Pretend for a second that you got dropped back in time, prior to the development of the Smallpox vaccine. If you drew out a vial of your own blood and injected that into another person, would you transfer your Smallpox vaccine immunity? Or is not enough antibodies carried in say a vial of our blood to do the trick? Curious and no amount of google-fu'ing seems to give me answer. Thanks!

submitted by /u/WeedsInMyMind
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What makes factoring numbers with over 232 decimal digits so complex?

Posted: 29 Aug 2019 07:43 PM PDT

How can volcanoes form where there are no plate boundaries?

Posted: 29 Aug 2019 08:26 AM PDT

In high school I've learned that volcanoes form on plate boundaries which I understand. But what I've been thinking about is how can volcanoes form where there are no plate boundaries. The main example I'm oging to use is in Edinburgh, where the Edinburgh castle is build ontop of an extinct volcanoe.

How did that volcanoe form if there are no plate boundaries in Scotland?

submitted by /u/biernat
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Is it possible for a conductive room temperature gas to exist?

Posted: 29 Aug 2019 10:01 AM PDT

More specifically is it possible for a gas to exist at room temperature and still conduct electricity relatively well.

submitted by /u/warpm00n
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