From Etsy:
If you're a fan of quantum mechanics or of Schrodinger himself, this item is perfect for you. Some see through letters compose both the words dead and alive! This cross stitch pattern looks awesome if stitched on black fabric. Anyway you can use whatever color you want just changing the lettering color!
CROSS STITCH PATTERN DETAILS:
Stitches: 84x52
Size (with 14 count Aida fabric): 15x9,5 cm – 5.9x3.7 in
With purchase, you'll receive a DOWNLOAD LINK with:
A PDF pattern with colors and symbols
A Symbol Key page in DMC floss code