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36,000 BCE
Sea Sponge
Sponges, the members of the phylum Porifera, are a basal Metazoa clade as a sister of the Diploblasts. -
30 BCE
Jesus Christ Sponge
In the New Testament, a Roman soldier offers Jesus Christ a sponge soaked in vinegar on the tip of his spear (some versions say staff) for Jesus to drink during his crucifixion, as an act of mockery. -
First Sponge
In the first half of the twentieth century, polyurethane foam appeared. By the way, it was invented absolutely by chance. In 1937, Otto Bayer (the founder of the well-known company), a German scientist, discovered and started to produce polyurethane. -
Dish Sponge
Artificial sponges were first developed by the Du Pont company—a leader in synthetic materials manufacturing industry that also invented nylon—in the 1940s. Three DuPont engineers patented the cellulose sponge process, and DuPont held onto the secret until 1952, when it sold its sponge technology to General Mills -
Sponge Daddy
Scrub Daddy is a company best known for a sponge that it manufactures, also called Scrub Daddy, that is in the shape of a smiley face. The product is made of a polymer which changes texture - soft in hot water, hard in cold water.
