An investigation finds that Bitcoin was not double spent in Ethereum’s 2014 ICO, but illicit actors may have laundered their dirty crypto.

Are you ready for a double gun? Many firearms enthusiasts hail double-barrels as most beautiful, elegant guns of all. November 10, 2013 at 12:00 a.m.

The double under-bolt made possible for the first time a characteristic feature of the modern double gun—the snap action, which bolts itself automatically when the barrels are closed.