By gregladen on September 5, 2009. The tie-dyed shirts really make the Mentos thing work work.... Tags Uncategorized Log in to post comments More like this What was the heavy gas he was using? Argon? Log in to post comments In other times I've seen the heavy gas demo, sulfur hexafluoride was used. Stable but very pricey. Log in to post comments Details on the rapidly expanding foam, anyone? Log in to post comments The foam is called 'elephants toothpaste'. There are lots of videos and info online. Log in to post comments
In other times I've seen the heavy gas demo, sulfur hexafluoride was used. Stable but very pricey. Log in to post comments
The foam is called 'elephants toothpaste'. There are lots of videos and info online. Log in to post comments
What was the heavy gas he was using? Argon?
In other times I've seen the heavy gas demo, sulfur hexafluoride was used. Stable but very pricey.
Details on the rapidly expanding foam, anyone?
The foam is called 'elephants toothpaste'. There are lots of videos and info online.