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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...
cream startled gas station
  07/25/26
It is visible. You would know if you actually tried.
Lavender Ladyboy Theater
  07/25/26
So the light travels in a straight line but the curvature of...
cream startled gas station
  07/25/26
that's not it at all. trust me bro, you need to get a 1mm mi...
Lavender Ladyboy Theater
  07/25/26
The actual answer "physics" gives us predicts that...
cream startled gas station
  07/25/26
...
vivacious brass rigpig sandwich
  07/25/26
scientists cannot explain this
amethyst razzle-dazzle tattoo tanning salon
  07/25/26
Light isn’t even real lmao
sooty aphrodisiac deer antler
  07/25/26
...
vivacious brass rigpig sandwich
  07/25/26
, he said regarding the godhead
amethyst razzle-dazzle tattoo tanning salon
  07/25/26
...
vivacious brass rigpig sandwich
  07/25/26
...
fragrant point stock car
  07/25/26
Photons are less interactive with our fabric of space time t...
Poppy Marvelous Elastic Band Ticket Booth
  07/25/26
In a vacuum, it does. But irl the light will likely collide...
Poppy Marvelous Elastic Band Ticket Booth
  07/25/26
Wrong answer
cream startled gas station
  07/25/26
lol ok
Poppy Marvelous Elastic Band Ticket Booth
  07/25/26
this whole place is a churning soup of gasses full of life a...
Light stead cuckold
  07/25/26
...
vivacious brass rigpig sandwich
  07/25/26
...
yellow sinister garrison dopamine
  07/25/26
...
aromatic pea-brained rehab cuckoldry
  07/25/26
These people will tell you that if you're riding a bike and ...
disgusting avocado trump supporter locus
  07/25/26
...
cream startled gas station
  07/25/26
...
sooty aphrodisiac deer antler
  07/25/26
...
fragrant point stock car
  07/25/26
omg xo 2026
Poppy Marvelous Elastic Band Ticket Booth
  07/25/26
...
pale multi-billionaire brethren
  07/25/26
...
fishy galvanic travel guidebook
  07/25/26
something about number of photons and distance and square ro...
swollen reading party
  07/25/26
Nah, photons don't just get tired and fall to the ground
cream startled gas station
  07/25/26
...
vivacious brass rigpig sandwich
  07/25/26
...
sooty aphrodisiac deer antler
  07/25/26


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Date: July 25th, 2026 4:52 PM
Author: cream startled gas station

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�id.#50023925)



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Date: July 25th, 2026 5:13 PM
Author: Lavender Ladyboy Theater

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

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



Reply Favorite

Date: July 25th, 2026 5:47 PM
Author: cream startled gas station

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�id.#50024052)



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Date: July 25th, 2026 5:57 PM
Author: Lavender Ladyboy Theater

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�id.#50024066)



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Date: July 25th, 2026 9:16 PM
Author: cream startled gas station

The actual answer "physics" gives us predicts that that won't work in the manner you describe

(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2�id.#50024430)



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Date: July 25th, 2026 4:52 PM
Author: vivacious brass rigpig sandwich



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



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Date: July 25th, 2026 4:53 PM
Author: amethyst razzle-dazzle tattoo tanning salon

scientists cannot explain this

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



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Date: July 25th, 2026 4:53 PM
Author: sooty aphrodisiac deer antler

Light isn’t even real lmao

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



Reply Favorite

Date: July 25th, 2026 4:54 PM
Author: vivacious brass rigpig sandwich



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



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Date: July 25th, 2026 4:54 PM
Author: amethyst razzle-dazzle tattoo tanning salon

, he said regarding the godhead

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



Reply Favorite

Date: July 25th, 2026 4:54 PM
Author: vivacious brass rigpig sandwich



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



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Date: July 25th, 2026 5:27 PM
Author: fragrant point stock car



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



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Date: July 25th, 2026 6:13 PM
Author: Poppy Marvelous Elastic Band Ticket Booth

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�id.#50024090)



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Date: July 25th, 2026 4:59 PM
Author: Poppy Marvelous Elastic Band Ticket Booth

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�id.#50023947)



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Date: July 25th, 2026 5:06 PM
Author: cream startled gas station

Wrong answer

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



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Date: July 25th, 2026 6:12 PM
Author: Poppy Marvelous Elastic Band Ticket Booth

lol ok

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



Reply Favorite

Date: July 25th, 2026 4:59 PM
Author: Light stead cuckold

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�id.#50023948)



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Date: July 25th, 2026 4:59 PM
Author: vivacious brass rigpig sandwich



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



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Date: July 25th, 2026 5:01 PM
Author: yellow sinister garrison dopamine



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



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Date: July 25th, 2026 8:29 PM
Author: aromatic pea-brained rehab cuckoldry



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2�id.#50024324)



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Date: July 25th, 2026 5:05 PM
Author: disgusting avocado trump supporter locus

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�id.#50023958)



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Date: July 25th, 2026 5:09 PM
Author: cream startled gas station



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



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Date: July 25th, 2026 5:10 PM
Author: sooty aphrodisiac deer antler



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



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Date: July 25th, 2026 5:27 PM
Author: fragrant point stock car



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



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Date: July 25th, 2026 6:12 PM
Author: Poppy Marvelous Elastic Band Ticket Booth

omg xo 2026

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



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Date: July 25th, 2026 8:32 PM
Author: pale multi-billionaire brethren



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2�id.#50024331)



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Date: July 25th, 2026 8:35 PM
Author: fishy galvanic travel guidebook



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2�id.#50024338)



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Date: July 25th, 2026 6:05 PM
Author: swollen reading party

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�id.#50024072)



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Date: July 25th, 2026 6:07 PM
Author: cream startled gas station

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

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



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Date: July 25th, 2026 6:13 PM
Author: vivacious brass rigpig sandwich



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



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Date: July 25th, 2026 8:54 PM
Author: sooty aphrodisiac deer antler



(http://www.autoadmit.com/thread.php?thread_id=5886135&forum_id=2�id.#50024375)