The Chrysler museum in Norfolk VA has amazing free demonstrations almost every day which are amazing if anyone happens to find themselves in Southern Virginia.

"extra-ordinary professor" is roughly the same as a "associate professor" – an ordinary professor is a tenured one (roughly). So no wonder Prof. Liebig wasn't happy about it.

They should have mentioned the Superfest glass (also referred to as CV-Glas or Ceverit) made in East Germany. It's still mindblowing it's not made anymore. I hope someone is eventually picking this up again.