In dealing with my refrigerator door battle, I stumbled on Still Tasty, a handy website that helps demystify how long foods last. Here are their guidelines for how long you can keep opened containers of common condiments (commercially produced, not homemade) in your refrigerator: BBQ Sauce: 4 months. Capers: 1 year (brined)
Ball pen is one of the mediums use in writing that comes in  different appearance such as colors, length and ball point. The  first ballpoint of the pen invented was like a â¦ leather tanner  issued on 30th of October 1888 by John J. Loud.
The answer to this question depends on your definition of a computer. The earliest computers were mechanical devices used to help people count. The first known counting devices or tools were Tally Sticks from about 35,000 BCE. The abacus was invented, possibly by the Babylonians or the Chinese in about 2400 BCE.