Why doesn't the brain filter out Tinnitus? | AskScience Blog

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Sunday, April 16, 2017

Why doesn't the brain filter out Tinnitus?

Why doesn't the brain filter out Tinnitus?


Why doesn't the brain filter out Tinnitus?

Posted: 15 Apr 2017 01:20 PM PDT

I know that the brain filters out inputs after being present for too long (thus if you don't move your eyes AT ALL the room starts to fade to black). So why doesn't the brain filter out Tinnitus? It's there all the time.

submitted by /u/Baelfire_Nightshade
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[biology] why do most other mammals, and animals in general, have a litter of offspring, whereas humans only have 1 child?

Posted: 15 Apr 2017 06:31 PM PDT

Does the aperture ratio matter when burning something with focused sunlight?

Posted: 16 Apr 2017 06:32 AM PDT

I was doing a little experiment with camera lenses.

With 300mm f/4, the black tape started smoking almost immediately, but it seemed to me that 135mm f/2 lens was even faster with the smoke, despite the slightly smaller aperture opening.

Is it the size of the aperture or the fastness of the lens that dictates how quickly focused sunlight does damage to surface?

submitted by /u/jannne
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What causes pictures to appear discoloured after being in direct sunlight for years at a time?

Posted: 16 Apr 2017 03:23 AM PDT

Just clearing out some old Xbox games and the logo on the side of them have turned blue after being in sunlight untouched for several years?

submitted by /u/notdanstevens
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How do we know the universe is (only) 13.8 billion years old?

Posted: 15 Apr 2017 06:27 PM PDT

How do the supposed "color blind glasses" return color vision to an individual?

Posted: 15 Apr 2017 04:08 PM PDT

Do they do so at all? Is it a scam? Or do they just emulate a color that cannot be seen in terms of another color? I would imagine that if the cones for a color are not present, simply having glasses wouldn't accomplish anything.

submitted by /u/Xalteox
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What is the easiest way to conceptualize the expansion of the universe if it has no center?

Posted: 15 Apr 2017 05:49 PM PDT

Whats the change in entropy when a kettle heats water, and the water is allowed to cool down?

Posted: 16 Apr 2017 05:54 AM PDT

When a 1kW kettle heats water at 20 degrees Celsius (293K) for 10s the entropy of the water increases by 34JK-1

And on cooling for 10 mins, 10kJ of the heat is transferred to the surroundings increasing its entropy by 34JK-1

What is the total entropy change?

submitted by /u/Batatta
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If waves can be disrupted through destructive interference, and light travels in waves... Why can't we disrupt light?

Posted: 16 Apr 2017 12:39 AM PDT

I used to work with communications equipment in my last job. One of the things you could do to radio waves was broadcast at the inverse frequency to disrupt the signal. You can do similar things with sound, Wi-Fi etc. But why can't we do this with light? Is it possible?

submitted by /u/JC537
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Do Massless Particles Occupy Space?

Posted: 15 Apr 2017 08:47 PM PDT

Anything With Mass Occupies Space, Photons Have No Mass And Travel At C. They Do exist, But do they Occupy Space?

submitted by /u/rohanrz
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Given a known velocity and location how can one predict the equation of an objects orbit?

Posted: 15 Apr 2017 08:42 PM PDT

I am wondering how to predict the shape and equation for an orbit assuming you know:

  • the mass of the planet
  • the mass of the object orbiting (probably small and irreverent)
  • Velocity of object
  • Location of object relative to the planet

I am pretty sure that it is possible but I could not find an equation online that I could understand.

Thanks in advance

submitted by /u/Eeli100
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Could the expansion of the universe "contain" the possible vacuum decay bubble?

Posted: 16 Apr 2017 03:52 AM PDT

Kurzgesagt's video on vacuum decay: https://www.youtube.com/watch?v=ijFm6DxNVyI&t=294s

Unless I'm completely mistaken, isn't the expansion of the universe happening at speeds over the speed of light depending on the distance between the two objects? Could this mean that if the vacuum decay bubble happened at a distance far enough from us that the expansion of the universe could prevent the vacuum decay bubble from ever reaching us?

submitted by /u/Tomstefer
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Can any organisms see non-electromagnetic radiation?

Posted: 15 Apr 2017 09:19 AM PDT

Some examples would be cosmic rays, neutron radiation, alpha radiation, beta radiation, muon radiation, and antimatter radiation.

Some related questions: How is non-electromagnetic radiation detected, and would it ever be evolutionarily beneficial?

submitted by /u/StarlightDown
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Is it (or theoretically possible) to penetrate a virtual machine to access the underlying software/hardware, and if so, wouldn't this cause utter chaos in the cloud business?

Posted: 15 Apr 2017 01:47 PM PDT

Sorry about accidentally a word, English is not my first language and I don't think it's editable.

submitted by /u/Shelleen
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From an evolutionary standpoint, why do we have temporary "baby teeth" that then fall out?

Posted: 15 Apr 2017 08:06 AM PDT

Is there more pressure on aquaduct pillars while a boat is going over it? (Pic included)

Posted: 15 Apr 2017 11:53 AM PDT

Like in this picture.

Would there be more pressure on the pillars underneath the aquaduct?

Something tells me that the water distributes the weight properly, while something else tells me that at that very moment, more pressure is being put on the pillars.

submitted by /u/OuweDorper
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Has there been any new development with rail gun technology? Is it a viable place to put money if you are a government researching weapons?

Posted: 15 Apr 2017 03:27 PM PDT

I was listening to NDT talk about kinetic kills when a projectile travels so fast it releases more energy than it would if it were launched slower with a payload.

I googled "rail gun" and looked around but are there any scientific journals or studies going on with this subject lately?

submitted by /u/Epitome_of_Vapidity
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why are chemicals named in the order they are, e.g. Hydrogen Peroxide, or Potassium Nitrate?

Posted: 15 Apr 2017 01:49 PM PDT

What are the chances of the graviton materialising if we can build a higher energy collider than CERN?

Posted: 15 Apr 2017 10:02 AM PDT

Will comic microwave background look different if I observe it far away from the current position of earth (1000 ly, 1mil ly, 1bil ly)?

Posted: 15 Apr 2017 06:00 PM PDT

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