Cited as a reference
Exploding electronic components in HD
Why people recommend it
Footage of electrolytic capacitors bursting, shared both for entertainment and to illustrate how the scored vents on the cans fail in a controlled way.
Watch for: The first two failures show the vents not working
In their words
Here's a (somewhat artistic) video of those features in action.
Nick T on electronics.stackexchange.com, Dec 2010. CC BY-SA.