James Burke : Connections, Episode 7, "The Long Chain", 4 of 5 (CC)

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Episode 7 of James Burke's most well-known series "Connections" which explores the surprising and unexpected ways that our modern technological world came into existence. Each episode investigates the background of usually one particular modern invention and how it came into being. These explorations are an attempt to locate the "connections" between various historical figures who seemingly had nothing to do with each other in their own times, however once connected, these same figures combined to produce some of the most profound impacts on our modern day world; in a "1+1=3" type of way.

It is this type of investigation that is the core idea behind the Knowledge Web project, whereby sophisticated software is being developed to attempt to discover these subtle interconnections automatically. See http://k-web.org.

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[Monkor001]

haha, @ 4:35 he reminds me of the duck hunt dog popping out of the grass like that

[spotlightman1234]

@vmelkon calcium cyanamide

here's the reaction --> CaC2 + N2 → CaCN2 + C

[dreasim]

2:05 LOL

[spotlightman1234]

Nitrous Oxide is N2O, Nitric Oxide is NO!!! the ammonia and oxygen reaction produces Nitric acid which is then further reacted with air to produce N2O which when bubbled through water forms nitric acid.

NO2 + H2O --> 2HNO3 (not balanced)

[luridplanet]

Got to hand it to the Germans for inventing aspirin, the best man-made drug ever

[alpha18412]

"The 

[vmelkon]

you pass nitrogen and you get what? calcium nitride?

[delbard1]

Junkers also manufactured warplanes in WW2

[vulpecula999]

Fritz Haber is also infamous as the father of chemical warfare. It was he that organised and directed the first large scale gas attack at Ypres in 1915.

It was because of this (or perhaps also because he was having an affair) that his wife commited suicide with his service revolver.