I HAVE just watched the casting in gun-metal, in an engineering establishment in this town, of what is intended to be the rudder-post of a large vessel, which when completed will weigh about three ...

Standing seam metal roofing is the most versatile roofing in the world and with over 35 color selections it can also be the most challenging to select your favorite! At Global Home Improvement we ...

WHEN these metals are heated in a vacuous tube in such a way as to cause an extremely thin sublimate of the metal to condense upon the glass, the film so obtained will be found to possess a beautiful ...

The colours 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 colours? I am an inorganic ...