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Seeing in the dark?

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Sat, 2013-02-23 15:52
#1
OwlJolson OwlJolson's picture
Seeing in the dark?
Quick question, but other than flashlights and flares, what can one use to see in the dark? Are there any special vision types that allow it? Thanks.
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Sat, 2013-02-23 20:06
OneTrikPony OneTrikPony's picture
there is one type of vision
there is one type of vision enhancment. Called; Enhanced vision. It gives you full spectrum sensory perception from far infrared to gamma rays. See page 301, 302, 303. Darkness pretty much doesn't exist if you have this enhancment. in addition there is echolocation. p 301 And you can have the EM version of echolocatoin if you have a T-Ray emmiter. p 306 Robots can have Lidar, and Radar p 311
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Mea Culpa: My mode of speech can make others feel uninvited to argue or participate. This is the EXACT opposite of what I intend when I post.

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Sun, 2013-02-24 08:59
Jaberwo Jaberwo's picture
So how dark is 75°K ambient
So how dark is 75°K ambient temperature in a cave in an asteroid? Would people illuminate their surroundings with IR?
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Sun, 2013-02-24 13:18
OneTrikPony OneTrikPony's picture
what, now I gotta defend my
what, now I gotta defend my hyperbole? ;) infra red and t-rays would work nicely in that situation. Echolocation if there's a breathable atmosphere. Lidar and radar if there's an appropriately equipped bot or synth.
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Mea Culpa: My mode of speech can make others feel uninvited to argue or participate. This is the EXACT opposite of what I intend when I post.

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Sun, 2013-02-24 15:49
DivineWrath DivineWrath's picture
I would have thought someone
I would have thought someone would have mentioned this already. You could carry around a specs (core rulebook, p. 326). They are essentially glasses with the enhanced vision augmentation and a t-ray emitter. Note the bonus for spotting things with the specs is +10 instead of the +20 that enhanced vision grants. Useful if you want enhanced vision but don't have the means to get your morph modified.
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Sun, 2013-02-24 20:19
Jaberwo Jaberwo's picture
OneTrikPony wrote:what, now I
OneTrikPony wrote:
what, now I gotta defend my hyperbole? ;) infra red and t-rays would work nicely in that situation. Echolocation if there's a breathable atmosphere. Lidar and radar if there's an appropriately equipped bot or synth.
No no, I just meant to ask if the contrast between objects that cold would affect perception and whether normal morphs in space suits would give off enough IR radiation to illuminate stuff and cast shadows just by the warmth of their bodies. Which would be cool. Of course anything active would work. It's just another type of flashlight. (more or less)
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Tue, 2013-02-26 02:55
Deadite Deadite's picture
OneTrikPony wrote:what, now I
OneTrikPony wrote:
what, now I gotta defend my hyperbole? ;) infra red and t-rays would work nicely in that situation. Echolocation if there's a breathable atmosphere. Lidar and radar if there's an appropriately equipped bot or synth.
Echolocation wouldn't necessarily need a breathable atmosphere as long as the morph can survive without having to cover the emitter and receiver too much.
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Tue, 2013-02-26 04:07
Holy Holy's picture
Deadite wrote:Echolocation
Deadite wrote:
Echolocation wouldn't necessarily need a breathable atmosphere as long as the morph can survive without having to cover the emitter and receiver too much.
Echolocation needs an atmosphere that can conduct sound waves, i.e. there need to be enough molecules in order to transfere the impuls energy generated by the emitter. This page states the speed of sound on todays Mars. So sound conduction in a 60 mPa (~0.6% of earth) atmosphere seems possible.
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Tue, 2013-02-26 06:29
Deadite Deadite's picture
I should have emphasised the
I should have emphasised the *breathable* part of my post. Echolocation should work perfectly well on Venus or Mars without the morph being able to breathe. (Which isn't possible on Venus at the setting's stage of terraforming.)
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Tue, 2013-02-26 07:30
Holy Holy's picture
Deadite wrote:I should have
Deadite wrote:
I should have emphasised the *breathable* part of my post.
I hope I did not seem smartassish. As far as I figure it out at the moment: If you know the density of your atmosphere and the sound pressure threshold of your receiver (0 dB for the human ear) then you can calculate what magnitude of sound (sound pressure) could still be heard or what power output your echolocation emitter would need to function.
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Wed, 2013-03-06 09:32
nezumi.hebereke nezumi.hebereke's picture
Between specs (which are
Between specs (which are built in standard on most vac suits), enhanced vision, LIDAR, RADAR, networking with vehicles and everything else, I normally assume everyone can see (possibly with modifications) unless there's a specific reason they can't; ex - in Continuity, they have no equipment or connectivity. It's the future. Things should be that easy -- until the GM throws a curveball.
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