For example, diamond is only one number away, but it’s many times harder than gems in the corundum family. Corundum (ruby and sapphire) is relatively hard—9 on the Mohs scale. It has excellent ...

The ‘Frogeye’ couldn’t be locked because the internal release was easily accessible by poking a hand through a flap in the sidescreens. The Sprite MkII was subsequently launched in May 1961, and a ...

Ruby Fox-Miligan (Beth Cordingly) sat daughter Steph Miligan (Georgia Jay) down for an important conversation in tonight’s episode of Emmerdale. In recent days, Steph has grown terribly worried ...