Warning: I May Start Talking About Cosmology T-Shirt

This black T-shirt features a humorous warning for space and science enthusiasts. The design includes the word "WARNING" in bold yellow letters above the phrase "I MAY START TALKING ABOUT COSMOLOGY," also in yellow. A simple line-art illustration of a planet with rings adds a thematic touch. The shirt appears to be made of a comfortable material, perfect for casual wear, science conventions, or sparking conversations about the universe. Ideal for those who love to share their passion for cosmology, this T-shirt is sure to attract attention and maybe even a few eye rolls.