In 2006, he and one of his colleagues discovered a shape called the gömböc, which has the unusual property of being “mono-monostatic” — it balances on just two points (one stable, the other unstable, ...

He explained: "This is a UK penny from 1952, this intriguing proof coin is the rarest proof penny of the entire series of copper and bronze pennies. "The existence of this unique 1952 proof penny ...

Global Coin announces the 250th Anniversary U.S. Army Silver Proof Coins, graded PF70/PR70, featuring a special Army privy mark. Signed by Anna Cabral, Kenneth Bressett, and Stephanie Sabin, these ...

Officials claim they used coins discovered inside a shipwreck off the coast of Colombia to prove the underwater graveyard is the legendary San José that was carrying a $20 billion treasure when ...

Congress is chasing several crypto bills, including legislation to set boundaries for crypto markets, oversee stablecoin issuers, curtail digital assets in illicit financing, call for proof of ...

Crowdsourcing Transcribed by Smithsonian digital volunteers Description (Brief) One (1) gold commemorative coin embossed with bust of Chiang Kai-Shek Taiwan, China, 1966 Obverse Image: Bust of Sun Yat ...

Nothing reminds you more of your childhood than your favorite toy. From Barbie to Play-Doh, check out this list of the most ...

1966 SMS Special Strike Type 2 Clad Roosevelt Dime: Sold for $12,500 in 2021 1983 No S Proof Deep Cameo Type 2 Clad Roosevelt ...

Learn more about zero-knowledge proofs (ZKPs), how they work, why they matter for cryptocurrency and CBDCs, and what the potential pitfalls are.

The 20-coin 2025 Uncirculated Coin Set is slated for sale to the general public by the United States Mint beginning at noon Eastern Time July 17. The sets are offered at $33.25 each, with a ...

Currently in its 27th presale stage, Blizzard Borough, Arctic Pablo Coin is priced at $0.0003 and has raised over $2.75 million, showcasing strong investor confidence. With a projected ROI of 2,566.66 ...