Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

The new era of nuclear power generation greater than the force of the Sun has arrived and is ready for deployment. For the ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

Quantum physics underlies technologies from the laser to the smartphone. The International Year of Quantum marks a century of scientific developments.

Collectibles can be expensive to acquire and store, don’t generate income, are targeted by fraudsters, are not always easy to sell, and can swing wildly in valuation.