Planck Constant T-Shirt

Constant: h = 6.62607015 x 10^-34 J s. Exact SI value.

Planck constant sets the scale where quantum behavior becomes unavoidable. It connects energy to frequency, making it central to photons, atoms, and the way quantum measurements are stated.

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