"environmentally friendly" cryptocurrencies: Chia, IOTA, Cardano, Nano, Solarcoin and Bitgreen. Academics and researchers have used various methods for...

The coin rotation paradox is the counter-intuitive math problem that, when one coin is rolled around the rim of another coin of equal size, the moving...

A solar symbol is a symbol representing the Sun. Common solar symbols include circles (with or without rays), crosses, and spirals. In religious iconography...

"Pahlavi Coins" (Persian: سکه پهلوی) were the official gold coins of Iran from 1926 to 1979, and the term "Pahlavi" is the currency of these coins. These...

solar deity or sun deity is a deity who represents the Sun or an aspect thereof. Such deities are usually associated with power and strength. Solar deities...

(minted on coins as new until 1981). Before decimalisation, twelve pence made a shilling, and twenty shillings made a pound. British coins are minted...

silver dollar, divided it into 100 cents, and authorized the minting of coins denominated in dollars and cents. U.S. banknotes are issued in the form...

Girl 1954 (27th) 2 7 20,000 Leagues Under the Sea 1954 (27th) 2 3 Three Coins in the Fountain 1954 (27th) 2 3 Sabrina 1954 (27th) 1 6 The High and the...

Solar Impulse is a Swiss long-range experimental solar-powered aircraft project, and also the name of the project's two operational aircraft. The privately...

crown and sun disk (715–664 BC) Egyptian aegis of Isis wearing solar crown (664–343 BC) Coin of Ptolemy IV Philopator, depicting his deified father Ptolemy...