did-you-kno: During WWII, the US Military designed a grenade the exact size and weight of a baseball, because “any young American man should be able to throw it properly.” Soldiers learned to hold it the way a pitcher holds a knuckle ball. Source
did-you-kno: During WWII, the US Military designed a grenade the exact size and weight of a baseball, because “any young American man should be able to throw it properly.” Soldiers learned to hold it the way a pitcher holds a knuckle ball. Source
