Meaning of “Power Level” on google colab

Question

When I open a new notebook on Google Colab I see a \"POWER LEVEL\" indicator with a battery symbol at the top. I can click it and choose three different power levels: low, m

Answer 1

Power level is an April fools joke feature that adds sparks and combos to cell editing --

https://twitter.com/GoogleColab/status/1112708634905964545

It is enabled and disabled in the notebook settings accessed via the Tools -> Settings menu item.