E = mc² was made famous by Einstein in his paper Does the inertia of a body depend upon its energy-content?, published in 1905, when he was just 26 years old!
This E = mc² key chain clip is made from Black Cherry wood grown and milled in the USA! The ornament is finished with a non-toxic food-safe oil to enhance and protect the natural beauty of the wood.
Approximate dimensions: 3 1/4" x 1" x 3/16"
Made in Wisconsin by Nestled Pines Woodworking.
USA grown hardwoods are a renewable, biodegradable and sustainable resource.
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