cannonball

You never know what you're going to find when metal detecting. Just ask historian Michael Parker of Holland Patent who discovered a cannonball that could be from the Civil War.

Here's a video from ABC 7 News KGO-TV San Francisco, CA telling the story of a cannonball experiment not going as planned conducted by the Discovery Channel show "MythBusters". According to the report, the television show was testing to see if other materials fired out of a cannon would be the same as firing a cannonball out of a cannon. According to the ABC 7 News report, the cannonball