A new alloy turned up in a grain of sand from Hiroshima Bay

The Hiroshima blast alloy, a 7-element metal grain, formed in the fireball of 6 August 1945.

Hiroshima blast alloy — Admiralty Chart No. 3472, Plans in Hiroshima Wan, United Kingdom Hydrographic Office, 1961, public domain (Wikimedia Commons)

A metal that has never been recorded before turned up in a grain of sand from Hiroshima Bay. Writing in Science Advances, Luca Bindi, Hans-Rudolf Wenk, Mario Wannier, and Teresa Salvatici report the discove…