#copper coin

[pilot4008]

Trump Copper Round 1oz Pure Copper Coin Buy Now

[whats-in-a-sentence]

For example, if a copper coin is dropped into concentrated nitric acid, it reacts violently (figure 12.18).

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[spiltcocoamix]

WANTED FOR PIRACY, KIDNAPPING, MUTINY, AND RESISTING ARREST, SUSPECTED IN THE RECENT ATTACK ON THE TERRAN EMBASSY ON XOLI. ANY INFORMATION ON THESE AGGRESSORS SHOULD BE REPORTED TO THE UPA, INTERPLAN, OR RESPECTIVE TERRAN AND XOLI AUTHORITIES. 

[kyofu-kan]

Donghua waiting room (─‿‿─)

[cruisinfdr]

[cruisinfdr]

[cruisinfdr]

[archaeologicalnews]

'It could change everything': coin found off northern Australia may be from pre-1400 Africa

It’s Anzac Day and the usually busy I-Med radiology clinic in Darwin is shiny and quiet, the public holiday giving the machines and their operators a break from the usual broken bones, brain scans and ultrasounds.

But then an archaeologist and a historian turn up, bringing with them a curious patient whose identity is unknown, but who may be 1,000 years old and could rewrite Australian history.

The “patient” is a small copper coin found by archaeologist Mike Hermes on a field trip to the Wessel Islands, off north-east Arnhem Land, last year. He believes it to be a coin from Kilwa, more than 10,000km away in what is now known as Tanzania, dating from before the 15th century. Its surface is eroded, obscuring identifying features, but Hermes is confident.

“We’ve weighed and measured it, and it’s pretty much a dead ringer for a Kilwa coin,” he says. “And if it is, well, that could change everything.” Read more.