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The first law of thermodynamics states that although energy can be transformed, it cannot be created or destroyed. A sterling silver tag has been handstamped with the simplest form of formula for the first law of thermodynamics:
(delta)U=Q + W, where U stands for internal energy, Q stands for heat and W stands for work done by the system. The study of thermodynamic processes is very important to most branches of science and engineering, including physics, chemistry and metamorphic petrology.

~ 16-18"sterling silver rolo chain (not pictured but heavier than that shown)
~ Sterling silver handstamped tag
~ Totally unique design! Stand out from the crowd and show your braininess with your jewelry!
~ Not exactly what you wanted? Customize it! Just contact me with your ideas and we can go from there!

Please click here to view my other geeky items!

Please note that all items are copyrighted.

ATTENTION!!! This is a 100% hand stamped item. I use an anvil and hammer to create each piece and no two are exactly alike. There can be variations in alignment and depth of images and other imperfections that are a result of me not being a machine. If you are looking for machine crafted perfection I am afraid my humble little creations may not be for you. Please consider this before you buy. Thanks.

Frequently asked questions about Nikhajewelry

Some items such as stamped items are customizable, but one of a kind items normally are not.
Some items can be lengthened or shortened upon request.
Contact me with serious inquiries only.
No. The process of stamping on one side makes an imprint on the back also, therefore items can only be stamped on one side.
All items are shipped in packaging suitable for gifting.
Do not wear your jewelry items in water/swimming. Copper and silver oxidize over time and can be kept clean with a polishing cloth. Oxidation can slowly wear away over time, leaving a rustic looking weathered patina.

Chemistry Jewelry, Physics Jewelry, Science Necklace, Unisex Necklace,First Law of Thermodynamics Formula Necklace, Nerdy Gift, Mens Jewelry


Only 1 available


  • Handmade item
  • Materials: sterling silver sheet metal, chain, steel handstamps, sterling silver tag, silver stamping, sterling silver, silver charm, handstamps, sterling jumpring, silver chain, sterling silver chain, alphabet stamps, silver tag
  • Made to order
  • Ships worldwide from United States
  • Feedback: 236 reviews
  • Favorited by: 129 people