Everything from the US sending the Patriot missile defense system to Ukraine to the first fusion reaction in a  laboratory setting that actually produced more energy than it took to start the reaction.

 

The mannequin that caused police to kick the doors down in a London art exhibit -  

Alfredo sauce recipe - https://thesaltymarshmallow.com/best-homemade-alfredo-sauce/

Not Steve's exact recipe but close.  He uses cream cheese and milk instead of whipping cream.