David Letterman, wearing a suit of 3400 Alka Seltzers is dipped into a tank of water - what must the studio have smelt like? Was this the origin of the Diet Coke and Mentos idea?

Now what happens if you put Alka-Seltzer into water when you’re in zero gravity? The answer is a couple of minutes into this informative video…

And to follow that, one of the best Diet Coke and Mentos experiments videos that I’ve seen:

From BBspot.

Should have posted this earlier, but I’ll be attending the first inaugural Dublin TweetUp tonight.

Full details can be found over on Olivier’s blog, he’s done a great job in organising this at short notice. Only criteria is that you need to be a Twitterer, but you can resolve that in 5 mins by hopping over to twitter.com and signing up!

See you there!