How does one crack the world’s most famous code? The breakthroughs on Kryptos provide a guided tour through the cat and mouse ...
Pink granite boulders scattered across the dark volcanic peaks of the Hudson Mountains in West Antarctica, have revealed the ...
Soft copper wire : 20 gauge (wire diameter 0.8mm) : 2 x 14cm (5.5 inch) 28 gauge (wire diameter 0.3mm) : 40cm (16 inch) agate ...