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/sci/ - Science & Math


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2725416 No.2725416 [Reply] [Original]

How do you know that your eyes aren't just emitting the light rays huh?

Tell me that, scientists.

>> No.2725423

because then it would be possible to see objects in a completely closed off dark room.
this isn't the case, ergo our eyes do not emit light.

>> No.2725421

You cant see in the dark.

>> No.2725445
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2725445

>>2725423

hey beautiful. you let our thread die yesterday!

>> No.2725456
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2725456

>>2725445
yeh, had to go, did i miss anything?

>> No.2725458
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2725458

holy fuck i just lol'd HARD at that pic

no idea why

>> No.2725461

>>2725456
http://green-oval.net/cgi-board.pl/sci/thread/2718064

>> No.2725463
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2725463

>>2725458
what the fleshy trollface?
yeh its pretty cool... i havent actually saved it yet... i think i'll have it now.

>> No.2725464
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2725464

>> No.2725467
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2725467

>>2725456

i blew you a kiss.... but didnt get one back! i think you missed that. I think you owe me for that, I say dinner + ice skating (or some other outdoor activity)

>> No.2725484

>>2725458

youre welcome

>> No.2725481
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2725481

>>2725423
>>2725445
>>2725456
>>2725461
>>2725463
>>2725467
Two men flirting witch each other

two engineers

>> No.2725490
File: 640 KB, 250x170, ddealwithit.gif [View same] [iqdb] [saucenao] [google]
2725490

>>2725481

>> No.2725498

>>2725421
This

>>2725464
This is disproved by having light shine on the object by blocking the direct path from the light source to the eye.

>> No.2725501

>>2725498
>by blocking the direct path

>> No.2725504

>>2725467
i suck at ice skating...pisses me off actually coz im a fucking fantastic dancer and i love dancing on ice.

>>2725481
i'm female, and a zoologist not an engineer.

>> No.2725515

>>2725504
>dancing on ice
..the TV show, not me doing it personally...

>> No.2725516

>>2725481
loool

this thread is fucking weird

>> No.2725524

>>2725504
>female, and a zoologist
My experience with female zoologists tells me that there is a 99% chance that you are batshit crazy

>> No.2725533
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2725533

>this thread

>> No.2725531
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2725531

>>2725504

lets go dancing - whats your favorite music to dance to?

>> No.2725558

>>2725524
i can confirm ;)

>>2725531
lady gaga
aww...that cat looks so happy :D

>>2725533
lol, deja vu...
http://green-oval.net/cgi-board.pl/sci/thread/2718064#p2718318

>> No.2725567

"How do you know that your eyes aren't just emitting the light rays huh?

Tell me that, scientists."

Easy. Perform a chlorophyll centrifuge and try observing it from different directions with a light source in differnet places.

Some angles, the chlorophyll does the job and only allows red light through. The rest of the angles, the chlorophyll just reflects light.

Chlorophyll is a one-way mechanism.

And thus this is how we came to designing LED grow lights.

>> No.2725570

>>2725558

i hear theres good dance clubs in canada ( i assume youre from canada)

>> No.2725577

Back in the day trolling meant something.

>> No.2725585

>>2725515
So you're British?

>> No.2725586
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2725586

>>2725577

>> No.2725596

>>2725585
dancing in ice is only in britain?

>> No.2725599

>>2725596
*on

>> No.2725620

>>2725416
cause if you close your eyes and stare into a light source, you see red, because of the blood vessels under your skin as well as your skin in general.

and if you wave your hand in front of your closed eyes, you will see the shadow.

How does it feel to knot know even such simple things, even while trolling?

You must have been dropped on your head as a baby a few times, OP.

Sheesh...what an idiot you are.

>> No.2725625

Oh look its ancient Greece.

>> No.2725688
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2725688

why don't we shoot atomic waste into the sun?

>> No.2725696

>>2725416
People used to believe that in the dark ages, actually.

>> No.2725738
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2725738

>>2725558
>>2725445


>Two hopeless faggots.

>> No.2725806

>>2725688
we dont have rockets capable of sending anything to the sun even if we wanted to. besides it would be astronomically expensive.

>> No.2725822

I used to believe that when I was 5.

But yeah. Why can't I see when it's dark?

>> No.2725828

>>2725806
Yes we do....
If we can send probes out of the solar system then we can send something to the sun.
The problem is if there's a failed launch.

>> No.2725905
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2725905

>try to make a troll thread
>some faggot tries to white knight romance another faggot
god damn it.

>> No.2725914

>>2725828
>If we can send probes out of the solar system then we can send something to the sun.
From LEO the delta-v to the Sun 29.8 km/s, delta-v out of the Solar system 12.3 km/s.