Caution! Antimatter will annihilate normal matter, destroying your precious belongings and releasing dangerous radiation!
Only recently captured in large quantities by the team at CERN, antimatter can be thought of as normal matter traveling backwards in time. And it’s the fuel used by the USS Enterprise as it seeks out new life and new civilizations; what could be more hazardous than that?
Available as a t-shirt
Other hazardous materials stickers: