1,000-Year-Old 'Jar' Discovered in Jerusalem Might Actually Be a Powerful Ancient Weapon

A new study suggests that Crusades-era clay vessels unearthed in Jerusalem might actually be a very, very early version of hand grenades, a conclusion which I’m sure anyone out there who is as nerdy as I am will be delighted to hear.
The sphero-conical ceramic vessel might just look like your run-of-the-mill clay pot to the untrained eye but, although it was previously thought the jars were indeed regular, everyday drinking or storage vessels, researchers have discovered remains of explosi