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/sci/ - Science & Math

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Anonymous 06/28/14(Sat)09:02 UTC+1 No.6615930 Report

Hey /sci/, /lit/ here.

Would it be possible for there to be a solar flare so massive, that it completely destroys all electronics on an entire planet? (Not talking about our Sun/Earth.)

How do EMP's even work? Could they erase all digital data on an entire planet?
Anonymous 06/28/14(Sat)09:10 UTC+1 No.6615935 Report

yes, but unreasonable amount of power would
be required. And many of today's advanced storage devices, even a simple USB, wont have its entire database corrupted by an EMP burst.
Anonymous 06/28/14(Sat)09:18 UTC+1 No.6615937 Report

even if the EMP burst was powerful enough?

what if the star was something like VY Canis Majoris and the planet was earth-sized.

is there any sort of natural space-phenomena that could erase all digital information and prevent electronics from functioning?
Anonymous 06/28/14(Sat)09:30 UTC+1 No.6615955 Report

>/lit/ here.
why is this necessary
Anonymous 06/28/14(Sat)09:31 UTC+1 No.6615958 Report

a pulsar could
Anonymous 06/28/14(Sat)09:32 UTC+1 No.6615960 Report

because i want to write a story involving this, but i want it to be plausible
Anonymous 06/28/14(Sat)09:33 UTC+1 No.6615964 Report

go on...
Anonymous 06/28/14(Sat)09:44 UTC+1 No.6615972 Report

It's a spinning neutron star and its blowing a shiton of electromagnetic energy out of the oles like a big laser beam.

The spin isn't stable though so the beam kind of wombles around really fast sweeping a cone.

There already are more than a dozen pulsars sweeping earth but they are all far enough away it doesn't affect us much.

If one was close enough it could disrupt all communications every time the electromagnetic beam sweat over the earth which would be probably less than seconds apart.

Or if it was really close like a few light years it could vaporize the entire surface
Anonymous 06/28/14(Sat)09:46 UTC+1 No.6615976 Report

>If one was close enough it could disrupt all communications every time the electromagnetic beam sweat over the earth which would be probably less than seconds apart.

I like it.

And you're saying this could effectively render all electronics/digital information useless?
Anonymous 06/28/14(Sat)09:47 UTC+1 No.6615977 Report

what's the story about
Anonymous 06/28/14(Sat)09:50 UTC+1 No.6615978 Report

>Would it be possible for there to be a solar flare so massive, that it completely destroys all electronics on an entire planet? (Not talking about our Sun/Earth.)

Yes. It's not so much of a question of magnitude but direction.

Anonymous 06/28/14(Sat)09:51 UTC+1 No.6615979 Report

>is there emp strong enough to wipe out all digital information?

so why would we worry about our electronics then?
Anonymous 06/28/14(Sat)09:52 UTC+1 No.6615983 Report

not blown in half, but realistically
irradiated everything on the surface of the earth
to dangerous levels
if your worrying about EMP doomsday, forget it.
you'll have bigger problems on your plate if it does happen
Anonymous 06/28/14(Sat)09:53 UTC+1 No.6615985 Report

well the premise that that there's a planet which has, because of solar flares or pulsars(or some other solar phenomenon) had all of its electronics unusable.

so, this planet has effectively been wiped off of the map (or galactic map, so to speak) because any ships that travel there are hit with this EMP burst crash on the surface. no ships are able to leave the planet.

so it's basically been cut off from the rest of mankind. being a barely-habitable arid planet, the people left are now faced with extremely tough survival conditions. they can only utilize machinery as no electronics work.

but i need an EMP that could actually do this.
Anonymous 06/28/14(Sat)09:55 UTC+1 No.6615987 Report




I'm not worried about it happening to earth, i just want it as a premise to a story im writing.
Anonymous 06/28/14(Sat)09:57 UTC+1 No.6615990 Report

>take existing ships
>remove electronics, make everything manual
>warp them or whatever back to earth
>"hey guys EMP bomb just fucked the planet, send EMP-resistant help"
Anonymous 06/28/14(Sat)09:58 UTC+1 No.6615993 Report

Well different pulsars emit in different electromagnetic spectrums. So you could have the pulsar be whatever you wanted I guess. It can emit just standard light xrays, gamma rays or in the radio wavelengths.

Gamma rays will defiantly penetrate the atmosphere and houses and stuff, destroy some electrical equipment. Like DRAM chips and cpu cores. Not sure if it would damage hardrives and stuff. Most electronic components are hardened against gamma rays because the equipment itself emits gamma rays. But a powerful enough source would not be stopped by shielding. Military equipment hardened for nuclear blast would probably be okay.

However at this power it is also going to be slowly killing off the human population and giving everyone cancer. the only way to survive long term would be to go under ground or get to the poles maybe in ice huts.

However it could also be in the radio wavelengths and then it would;t be so dangerous to humans. It would be more like a constant radio jamm across the spectrum. Things like wireless cards would be useless. Cell phone towers wouldn't work. Satellites would be down. Radars wouldn't work ect. The only way you could communicate is with fiber optics or shielded cables.
Anonymous 06/28/14(Sat)10:01 UTC+1 No.6615996 Report

>John, hurry the fuck up and compute those quantum teleportation vectors!
Anonymous 06/28/14(Sat)10:06 UTC+1 No.6616005 Report

assuming OP is using something like the alcubierre drive, as long as you have the information physically written down as to where earth is, you could just put that into the machine
Anonymous 06/28/14(Sat)10:07 UTC+1 No.6616006 Report

the drive wouldn't function though, unless you can somehow make it so it doesn't use electricity.
Anonymous 06/28/14(Sat)10:27 UTC+1 No.6616023 Report

so, are you aiming for hard science fiction, OP? I like reading hard Sci FI.
Anonymous 06/28/14(Sat)10:37 UTC+1 No.6616032 Report

yeah, kinda. i just want to have something that is realistic.
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