This Space Cadet t-shirt can be interpreted in two different ways. This is due to the Uncertainty Principle. It's scientific.

So... on the one hand, this shirt brands you as a steely thewed, lantern jawed adventurer who is more at home in the lanes between the stars than in the checkout lane at the supermarket: the kind of bold and fearless character who's more than ready to face down an interplanetary dictator and laugh at the odds, ha! ha!

Then there's the other hand, which in this case sort of implies that you're not sure where your car keys are, and that you very likely put the cat food away in the dishwasher. Possibly... yes, the cat might be in there, too.

See? You can have it both ways.

The reason that this is such a good example of the Uncertainty Priniciple is either that the result depends on the observer, or that I, sadly, am the second kind of Space Cadet. It's... uncertain.