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Question for physicsmos: why can't light from a flashlight travel infinitely?

Assume there's no atmosphere, and you turn on a flashlight a...
https://imgur.com/a/o2g8xYK
  07/25/26
It is visible. You would know if you actually tried.
Diamond Dallas Chad
  07/25/26
So the light travels in a straight line but the curvature of...
https://imgur.com/a/o2g8xYK
  07/25/26
that's not it at all. trust me bro, you need to get a 1mm mi...
Diamond Dallas Chad
  07/25/26
...
The Penis
  07/25/26
scientists cannot explain this
have you ever looked at a quarter
  07/25/26
Light isn’t even real lmao
zoomer having a midlife crisis at age 27
  07/25/26
...
The Penis
  07/25/26
, he said regarding the godhead
have you ever looked at a quarter
  07/25/26
...
The Penis
  07/25/26
...
.,.,.,.,.,...,.,,.,,.....,.,..,.,,...,.,.,,...,.
  07/25/26
Photons are less interactive with our fabric of space time t...
you're the puppet
  07/25/26
In a vacuum, it does. But irl the light will likely collide...
you're the puppet
  07/25/26
Wrong answer
https://imgur.com/a/o2g8xYK
  07/25/26
lol ok
you're the puppet
  07/25/26
this whole place is a churning soup of gasses full of life a...
crackling fire
  07/25/26
...
The Penis
  07/25/26
...
Nude Karlstack
  07/25/26
These people will tell you that if you're riding a bike and ...
Bronus Swagner
  07/25/26
...
https://imgur.com/a/o2g8xYK
  07/25/26
...
zoomer having a midlife crisis at age 27
  07/25/26
...
.,.,.,.,.,...,.,,.,,.....,.,..,.,,...,.,.,,...,.
  07/25/26
omg xo 2026
you're the puppet
  07/25/26
something about number of photons and distance and square ro...
,.,..,.,..,.,.,.,..,.,.,,..,..,.,,..,.,,.
  07/25/26
Nah, photons don't just get tired and fall to the ground
https://imgur.com/a/o2g8xYK
  07/25/26
...
The Penis
  07/25/26


Poast new message in this thread



Reply Favorite

Date: July 25th, 2026 4:52 PM
Author: https://imgur.com/a/o2g8xYK


Assume there's no atmosphere, and you turn on a flashlight at night. Shouldn't the light be visible from a million miles away?

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023925)



Reply Favorite

Date: July 25th, 2026 5:13 PM
Author: Diamond Dallas Chad

It is visible. You would know if you actually tried.

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023976)



Reply Favorite

Date: July 25th, 2026 5:47 PM
Author: https://imgur.com/a/o2g8xYK


So the light travels in a straight line but the curvature of the earth prevents it from lighting up surfaces 100 miles away?

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024052)



Reply Favorite

Date: July 25th, 2026 5:57 PM
Author: Diamond Dallas Chad

that's not it at all. trust me bro, you need to get a 1mm mile stretch with no atmosphere and try it and you'll see.

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024066)



Reply Favorite

Date: July 25th, 2026 4:52 PM
Author: The Penis



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023926)



Reply Favorite

Date: July 25th, 2026 4:53 PM
Author: have you ever looked at a quarter

scientists cannot explain this

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023929)



Reply Favorite

Date: July 25th, 2026 4:53 PM
Author: zoomer having a midlife crisis at age 27

Light isn’t even real lmao

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023931)



Reply Favorite

Date: July 25th, 2026 4:54 PM
Author: The Penis



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023932)



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Date: July 25th, 2026 4:54 PM
Author: have you ever looked at a quarter

, he said regarding the godhead

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023934)



Reply Favorite

Date: July 25th, 2026 4:54 PM
Author: The Penis



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023936)



Reply Favorite

Date: July 25th, 2026 5:27 PM
Author: .,.,.,.,.,...,.,,.,,.....,.,..,.,,...,.,.,,...,.




(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023998)



Reply Favorite

Date: July 25th, 2026 6:13 PM
Author: you're the puppet

Photons are less interactive with our fabric of space time than solid matter. So in effect they are less grounded in reality actually.

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024090)



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Date: July 25th, 2026 4:59 PM
Author: you're the puppet

In a vacuum, it does. But irl the light will likely collide with other particles convert into heat energy and disperse.

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023947)



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Date: July 25th, 2026 5:06 PM
Author: https://imgur.com/a/o2g8xYK


Wrong answer

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023959)



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Date: July 25th, 2026 6:12 PM
Author: you're the puppet

lol ok

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024087)



Reply Favorite

Date: July 25th, 2026 4:59 PM
Author: crackling fire (πŸΎπŸ‘£)

this whole place is a churning soup of gasses full of life and processes we don't understand

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023948)



Reply Favorite

Date: July 25th, 2026 4:59 PM
Author: The Penis



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023949)



Reply Favorite

Date: July 25th, 2026 5:01 PM
Author: Nude Karlstack (🧐)



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023954)



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Date: July 25th, 2026 5:05 PM
Author: Bronus Swagner

These people will tell you that if you're riding a bike and shine a flashlight, the light will have the same speed as it would if you were standing still. Physics is like some weird cult

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023958)



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Date: July 25th, 2026 5:09 PM
Author: https://imgur.com/a/o2g8xYK




(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023965)



Reply Favorite

Date: July 25th, 2026 5:10 PM
Author: zoomer having a midlife crisis at age 27



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023968)



Reply Favorite

Date: July 25th, 2026 5:27 PM
Author: .,.,.,.,.,...,.,,.,,.....,.,..,.,,...,.,.,,...,.




(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50023999)



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Date: July 25th, 2026 6:12 PM
Author: you're the puppet

omg xo 2026

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024086)



Reply Favorite

Date: July 25th, 2026 6:05 PM
Author: ,.,..,.,..,.,.,.,..,.,.,,..,..,.,,..,.,,.


something about number of photons and distance and square roots; i don't really remember 1st semester physics that good.

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024072)



Reply Favorite

Date: July 25th, 2026 6:07 PM
Author: https://imgur.com/a/o2g8xYK


Nah, photons don't just get tired and fall to the ground

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024075)



Reply Favorite

Date: July 25th, 2026 6:13 PM
Author: The Penis



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2/en-en/#50024088)