€ 175
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Feynman scattering necklace | gold vermeil
Some people keep their degree in a frame on the wall. A physicist can wear hers. This gold vermeil Feynman scattering necklace is for a woman who loves physics and likes a nerdy touch on a plain chain, given by a friend who gets it or chosen for herself.
Who It's For
- a friend, because you love your own science necklace
- someone who likes an understated piece that still gets people talking
- a woman who loves physics and already wears gold
- yourself, as a Christmas present
Hilda E., who gave this gold version to a friend: “It is really high quality jewellery, and I love the nerdy touch to it. Bought it for a friend, because I have a necklace and loved it.” Alana N., who bought the silver version to keep: “I have a few necklaces now and I just love showing them off.”
How Feynman Diagrams Handle Antimatter
Every electron line in a Feynman diagram carries an arrow. When the arrow points backwards in time, the line stands for a positron, the electron's antimatter partner. Feynman set this out in his 1949 paper “The Theory of Positrons”, and it saves a lot of work. One line that runs forward and then turns back in time stands for an electron and a positron meeting and annihilating. For Feynman, the idea began with a phone call from his PhD adviser, John Wheeler, who suggested that all electrons might be one and the same electron. Feynman took the positron part more seriously than the one-electron idea.
Explore Related Physics and Maths Jewelry
- Feynman scattering necklace | silver
- E = MC2 necklace | gold vermeil
- atom necklace | gold vermeil
- integral necklace | gold vermeil
FAQ
How big is the pendant, and how does it sit?
The pendant measures 34 mm (about 1.3 inches) from end to end, about 8 mm wider than a 2-euro coin. The chain attaches at both ends, so it lies across the chest just below the collarbone, on a 45 cm (17.7 inch) gold vermeil chain with a 5 cm (2 inch) extender. Extra chains of 40, 42, 45 or 50 cm with extender, or 80 cm, are sold on this page. Gold vermeil is 2.5 microns of 18K gold over solid sterling silver, nickel-free and hypoallergenic.
Is there a silver version?
Yes. The same 34 mm pendant comes in sterling silver, on a 45 cm sterling silver chain with a 5 cm extender. Choose the finish the recipient already wears. The design is the same in gold vermeil and silver, and it hangs from both ends in the same way.
Will it arrive in time, and what if it isn't right?
DHL Express delivers it free worldwide in 1-5 business days, and we pay the import duties and taxes, so nothing is due at the door. It arrives in a ready-to-gift jewelry box and festive envelope. If it isn't right, our 30-day “Love It or Return It” policy applies.
How did Feynman diagrams catch on?
Slowly. When Feynman showed them at an invitation-only meeting in spring 1948, few of his listeners understood him. Freeman Dyson, a British physicist, changed that. On a Greyhound bus ride east from California later that year, he saw that Feynman's diagrams and the more formal methods of Julian Schwinger and Sin-Itiro Tomonaga were one theory in different languages. His paper appeared in February 1949, and the physicists he coached at Princeton carried the diagrams to other universities. In 1965 Feynman, Schwinger and Tomonaga shared the Nobel Prize. Dyson did not.
Math & Physics
Unlock the elegance of the abstract with our math and physics-inspired jewelry collection. These carefully crafted pieces mirror the profound equations and natural laws that shape our understanding of the universe. Experience the allure of fractals, the rhythmic beauty of pi, and the celestial wonder of astral formations—each piece serves as a wearable homage to the artistry inherent in scientific inquiry.
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