When were coffins invented?

Answer A coffin is defined as any box that is used to bury the deceased. The earliest use of coffins has been dated back to the 13th Dynasty in ancient Egypt. A coffin that is believed to be the first woo... Read More »

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When were cell phones invented&who were they made by?

Martin Cooper invented the cell phone in 1973, and Motorola was its maker. The phone was much bigger and heavier than today's models. Called the DynaTAC, the phone did not go one sale until 10 year... Read More »

When were tasers invented?

Scientist Jack Cover developed the Taser in 1974. The Taser, short for Thomas A. Swift's Electric Rifle, was available to the public in 1976. Cover was previously associated with the Apollo Moon La... Read More »

When were the lavalamps invented?

Lava lamps where introduced to the United States during the 1970s. However, Edward Craven Walker invented the lamps in 1963; lava lamps were inspired by a glass cocktail shaker filled with oil glob... Read More »

When were ob tampons invented?

The German gynecologist Dr. Judith Esser Mittag invented the digital-style, or applicator-less, o.b. tampon during the 1940s. The initials o.b. stand for "ohne binde" which means "nonbinding" in Ge... Read More »