what would you want invented

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Rainer:
Safe and cheap breathable liquids.

I 2nd that.. Freeflows would be a thing of the past..

Or what about a heated 1st and 2nd stage.. No more freeflows there either..

As you can tell, I hate freeflows..
 
cdennyb:
A regulator that doesn't need a tank, like the james bond trick gadget, mouthpiece that extracts the O2 from the water like electrolysis extracts hydrogen and oxygen.
...and the naquadah reactor to power it. :D
 
jaybombs25:
What new invention you think would be key for scuba...I think a reg with a lil sqirter for some fresh water to avoid dry mouth would be good
A rigid BCD that wouldnt let the air compress/expand as you change depths.
 
Portable underwater sonar that would fit in BCD pocket to find the wreck in low viz when doing shore dives.
 
I've always thought a cool idea would be to have a BC or Wing inflation system that would unfold like one of those party toys that you blow into and it rolls out and makes that "Weeeeeeet" noise. That way your wing would roll-up/unroll as you needed it and would avoid those un-classy bungee cords I see on some of the bigger wings.
 
DeepBound:
A rigid BCD that wouldnt let the air compress/expand as you change depths.

???? how do you think a BC works?
 
-hh:
That would be quite a feat, since the wavelength doesn't penetrate water.




A wired float has been done. Its really only good for long distance navigation, since the GPS's circle probable error gets magnified by the float location variation versus the diver...in 70fsw, its easy to have over 100ft of error, and as soon as the error exceeds the local water visibility, the "don't get lost" feature isn't fulfilled.




So that this way, the float can notify you of its position as it drifts away from you? :D


-hh

Well, you would obviously have some error which even the most expensive gps units aren't that precise.

But hey, anything would be better then my gps.. it shows roads where they don't exist.

Now for the wireless transmitter from dive float to receiver. With minimum effort i'm sure some genius could conquer this problem with some calculations. For instance sonar to send out a Ping, then wait for the result and make the adjustments based on the time it takes the pong to return. Then adjust the signal on the receiver accordingly to be more accurate.
 
Shoulder-mounted camera/video/light system. Basically autorecord my dive, focusing wherever I'm looking. Or a slaved ROV with a camera that follows me around doing the same thing.

Less 'intense' dive lights...I hate the million candle power 1/8" diameter (yes, exaggeration) that everyone carries around. If we just had something far more distributed but not as bright we'd be able to see without getting our dark adaptation screwed by every other idiot but your own buddy (who is usually smart enough to shine his light at them, not you, since you're closer and can get him back easier). Maybe a bioluminescent suit or something? ....Or a mask with an adaptive 'dark spot' that automatically moves around and blanks out lights shined in your eyes.

Wetsuits that accentuate my muscles and deaccentuate my flab, instead of the other way around. Suits with an embedded grid that generates magnetohydrodynamic thrust. Or uses relative current to store energy in a battery system for lights, warming, etc.

A 'painless' type of vampire guage that monitors microbubbles and gas dissolutes in the bloodstream directly, along with computer algorithms sophisticated enough to take advantage of it. Truly customized gas (both N2, O2, and if deep enough even He) decompression profiles per-person based on your own physiological responses, not just dive profiles and laws of averages.

Adaptive optics head's up display in a mask that uses the shorter wavelengths (UV and near-UV), amplifies them, and converts them into the more visible spectrum on the inner surface of the mask to assist you in low-vis situations. Perhaps sonar enhancement, but that's too likely to be a problem with multiple divers compared to a passive near-optical receiver.

More 'conformal' tank shapes than plain cylinders, that tuck much more effectively against the body, reducing overall profile and therefore drag, yet can still hold an equivalent amount of air to Aluminum 80's at least.

A briefcase sized, solar powered, programmable membrane-type Nitrox compressor, small enough to fit on a scuba kayak.

Oh, and perfectly safe, renewable, sustainable, zero-impact, 100% effective oceanic faming methods deployed out in the open, otherwise 'empty desert' international waters, so that all commercial fishing in the 'wild' is rendered completely unnecessary. And world peace. ;)
 
nolatom:
A mini-GPS that would automatically track where you'd been, and show the way back to wherever


Wouldn't this be the same as a cave diver's reel and safety line? How's that for cheap GPS?
 

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