A Kosher K-Cup
All those people who thought that their Keurig was the best coffeemaker are in for some bad news. The old machine is now just second-class. Keurig introduced a new machine just in time for Pesach.
Tevilas Keilim
Tevilah for Electric Appliances in the Gemara
How tevillas keilim applies to electric appliances that would be ruined by immersion, including selling to a non-Jew, attaching to the house, or partial immersion.