World Record Facts
Ciro Gallo of the UK holds the record for having concrete blocks broken on his chest with a sledge hammer, while lying on a bed of nails – 37 blocks weighing a total of 235.8 kilograms (519.8 pounds). .. More >>
Element
Element : zirconium Symbol : zr Atomic no. : 40 Melting Point (deg c) : 1855 Boiling Point (deg c) : 4409 Discoverer : klaproth (1789) .. More >>