As these gases hit the oxygen-rich atmosphere, they ignite into neon-blue flames. In some cases, the burning sulfur condenses into molten liquid sulfur, which continues to glow blue as it trickles ...

If one were to observe that I have written critically about Blue Origin over the last half-decade, they would not be wrong. The reality is that the space company founded by Jeff Bezos has ...

More than 5,000 years ago, in ancient Egypt, a mixture of silica, lime, copper, and an alkali was heated, resulting in a bright blue compound known as calcium copper silicate. This striking, vibrant ...