Watching a 3D printer work always reminds us of watching a baker decorate a cake. Gooey icing squeezes out of a nozzle and makes interesting shapes and designs. While hot plastic doesn’t taste ...

Rubies are mainly made up of the mineral corundum, which is composed of the elements aluminum and oxygen in a regular, repeating array. Each aluminum ion is surrounded by six oxygen ions.

Apparently not, though, as [NightHawkInLight] reveals his trivially easy method for making synthetic rubies. Like their gemstone cousin the sapphire, rubies are just a variety of corundum ...

The Royal Family often choose red, white and blue for events around Commonwealth Day for pretty obvious reasons but one ...

The colors of rubies and emeralds are so striking that they define shades of red and green — ruby red and emerald green. But have you ever wondered how they get those colors? One feature of ...

On a brand-new Teachers' Lounge, Julie is a physics teacher who encourages her students to learn through play. Sometimes that ...

Dracula created 13 rubies with his last tears. He gave one to each clan and each one has a special power. Read more about the rubies and and what they can do. The rubies are connected, and one ...

Each month, four teachers are chosen for our Teacher of the Month award. All four are awarded $150 sponsored by ExxonMobil ...

When Some Odd Rubies opened in 2003, the fashion press jumped on the quasi-celebrity status of the boutique’s three stylish owners, Summer Phoenix (sister of River and Joaquin), Odessa Whitmire ...