this math greeting card shows a mustard yellow colored depiction of the golden ratio and has text that says stay golden
Because Science

Golden Ratio - Greeting Card

$5.00
/
  • In stock, ready to ship
  • Inventory on the way
  • Ships within 3 business days

Something special about that 1.618 (golden ratio). Could it be the new 3.14?

  • 4.13" x 5.83" card plus white envelope
  • Silky, satin printed finish for vibrant colors and excellent tactile quality
  • Folded card, blank interior with uncoated surface for easily writing your own greeting
  • Made with sustainably sourced paper, designed by Because Science, and printed in the USA
  • We design, package, and/or handcraft these products ourselves in our DC-based studio

  • Need a lot of something? Contact us for bulk rates

  • If you'd like us to include a gift message with your order, please leave instructions in the "order note" text box in your cart

  • Want to pick up locally in DC? Leave your request in the "order note" text box on the cart page and we'll get in touch to make arrangements

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About Us

Because Science is a love letter to all things STEM, particularly the fusion of art and science. A lot of the products you’ll find here and in our shop are handmade in our very own design lab, while some are the brainchild of other creators. We celebrate it all because science literally makes the world go ‘round.

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