That second one is REALLY important!
With:
Without:
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I went to a Yokohama Baystars game with a co-worker back in 2010 and it was difficult to keep my mind on the game.
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Not how it works 
But I know what you mean!
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I knew there’d be a chemist around. Then there’s the double double.
Hydrogen peroxide is a chemical compound with the formula H2 O2. In its pure form, it is a very pale blue liquid that is slightly more viscous than water.
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The thing is the hydrogen in the Hindenburg is H2 (hydrogen gas is always H2; 1 H alone doesn’t exist as gas in nature). There is an H+ ion (in solution or in a plasma), but even that is (at least in solution) more correctly written as H3O+
And thus endeth the chemistry lesson for today 
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They really are a perfect addition to baseball. Exactly what the sport needs to make it a good sporting experience, really.
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I was about to reply to there not being a H+ gas in nature with “at STP” but then remembered plasma is technically not gas and then you covered that too so I’ll just go back to the beer girls.
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More fun anyway 
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I mean they are girls. Girls that bring you beer, at baseball. It’s perfect.
This is like Nobel prize material.
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Absolutely! But… on a more serious note: do they have to take a lot of crappy comments from the guys, or wouldn’t that happen in Japanese culture?
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That’s an excellent question but I would say they are universally respected - baseball is like a family thing too so there’s parents with kids and stuff around as well. I am sure there have been jerks that got out of line but I have never seen it.
Plus these girls run up and down stadiums all day with a keg on their back. I would not fight one by choice.
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The pedant in me wants to say that it is not the gas burning which is the problem there but the thermite like doping on the fabric
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Give me an upper deck seat on a 747 any day. “Flying” in a cage strapped to the bottom of a bomb is WAY too close to Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb.
But what about those of us dying to learn about hydroxide groups?
ETA:
Both are problems. I’ll quote part of the industry standards Compressed Gas Association H-5 standard for bulk hydrogen supply systems health hazards and safety considerations section.
Hydrogen:
-is a flammable gas with a wide flammability range (4% to 75% in air) and a low ignition energy level (0.02 mJ), so it is much easier to ignite than other flammable liquids and gases
-has a wide detonation range of 18% to 59% in air
-burns with an almost invisible flame in daylight
-is an odorless, asphyxiant gas and can displace oxygen and
-is lighter than air and can accumulate in high spots
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They don’t exist
You can either have hydroxide ions or hydroxyl groups (in organic molecules) 
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Ah damn. This is why you should the the mechanical engineers away from the chemicals-they remember just enough to really fuck up
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Two chemists went to dinner together
After they ordered, one of them told the waiter: “A cup of H2O, please.”
Another chemist told the waiter: “H2O, too.”
He gulped down his drink and then he died.
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If you’re not part of the solution you’re part of the precipitate.
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Both of my younger brothers were majoring in chemistry before switching to microbiology after deciding to go into chiropractic. Fortunately, they remembered how to get into the chemistry building at UW-Madison. We made some seriously good bongs from some of the glass we found “lying around”. 
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