Impossibly hard scuba diving questions please

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diverdown13:
yeah! Fish ID will be cool.
Unfortunately I live in Ohio, where cool "marine life" is pretty obscure,
so im not too familiar with fish ID, i guess I better study up if im going to add these to my game.
the Other questions are great too.
Its probably a good idea to put some fun questions too.

I think there would have to be categories which would allow everyone to excel in their niche. In Trivial Pursuit, you've got Arts and Entertainment and Science and Technology which can even out the playing field.
 
When was the last time Walter was BURNED and BURNED GOOD??? (Hint: It's in this thread)
 
At what altitude/Nitrox% combinations do the theoretical depth effects cancel?
 
wardric:
Actually I was thinking of Emile Gagnan but since it's not supposed to be who I think it is... who is it?
Why not Ohgushi? See for example:
http://www.seagrant.wisc.edu/madisonjason11/timeline/index_1900.html
or
http://www.skin-diver.com/departments/timecapsules/may00_timecap.asp?theID=1228

Ohgushi’s scuba required manual control of the air flow.
Gagnan added a regulator.
? SCARUBA for Self-Contained, Automatically Regulated . . . ? :wink:
 
NetDoc:
When was the last time Walter was BURNED and BURNED GOOD??? (Hint: It's in this thread)

Naw, it was during Invade Fort Lauderdale when I forgot to put on sunscreen. No burn in this thread.

Let's go fossil diving (leading w/my chin) soon.
 
knotical:
Why not Ohgushi?

Because the question wasn't who invented SCUBA, but who invented the Aqualung. Actually, if the question were SCUBA, Ohgushi still wouldn't be the correct answer. James beat him by almost a century.

1825
Englishman William H. James designs a self-contained underwater breathing apparatus (scuba). In this design, the diver wears a helmet and carries a supply of compressed air in a cast-iron belt fastened around the waist. According to James, the diver can stay underwater for as long as an hour using this outfit.
 
Walter:
Because the question wasn't who invented SCUBA, but who invented the Aqualung. Actually, if the question were SCUBA, Ohgushi still wouldn't be the correct answer. James beat him by almost a century.
Ya got me on both counts. Thanks. I'm always learning on ScubaBoard.
 
A diver is in a boat in the middle of a fresh water lake.
He empties the beer cooler which contained 100lbs of ice cubes into the water.
The ice cubes float around for a while and then melt.
What happens to the level of the lake with respect to the shoreline?
a) No change at any moment.
b) Drops then rises.
c) Rises then drops.

And on a similar theme
A diver is in a boat in the middle of a fresh water lake.
He throws a 40lb steel anchor into the water.
What happens to the level of the lake with respect to the shoreline?
a) No change.
b) Drops.
c) Rises.
 
https://www.shearwater.com/products/perdix-ai/

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