Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...
One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...
Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...
A vast field of tall, skinny trees sways in a light breeze. In the future, poplar trees in a scene like this could be a ...
Over the past 15 years, we've seen a lot of beautiful smartphones. We thought we should celebrate the beauty of those phones!