Speed of Light Constant T-Shirt

Constant: c = 299,792,458 m s^-1. Exact SI value.

The speed of light sets the conversion between space and time in relativity. It is also the speed limit for information in vacuum and the anchor for how the meter is defined. A relativity shirt with the universal speed limit printed plainly.

Product notes
- Unisex cotton T-shirt with a classic crew neckline
- Soft everyday feel with a clean, straightforward fit
- Solid colors are 100% cotton; heather colors may include polyester
- Ribbed collar, taped shoulders, and a tear-away label
- Made to order; check the size chart and variant options before ordering

Care
- Machine wash cold with similar colors
- Tumble dry low
- Do not bleach
- Iron on low heat if needed; avoid ironing directly over the print