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Sponge (tool)
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Sponge (tool)
A sponge (/ˈspʌndʒ/ SPUNJ) is a cleaning aid made of soft, porous material. Typically used for cleaning impervious surfaces, sponges are especially good at absorbing water and water-based solutions.
Originally made from natural sea sponges, they are most commonly made from synthetic materials today.
The word comes from the Ancient Latin term σπόγγος (spóngos).
The first reference of sponges used for hygiene dates from Ancient Greece. Competitors of the Olympic Games bathed themselves with sea sponges soaked in olive oil or perfume before competing. In the book Odyssey by the Greek poet Homer, the god Hephaestus cleans his hands, face, and chest with a sea sponge, and the servants in the Odysseus palace used sea sponges to clean the tables after the meals the suitors of Penelope had there. The Greek philosophers Aristotle and Plato mentioned sea sponges in both scientific and historic contexts in their works. Ancient Romans used sea sponges extensively for hygiene. The belief that sponges had therapeutic properties led to their usage in medicine for cleaning wounds and treating disease. Ancient Greeks and Romans also used sea sponges tied to sticks for anal hygiene, a tool known as the xylospongium, and washed them with sea water.
In the New Testament, a Roman soldier offers Jesus Christ the Holy Sponge soaked in vinegar on the tip of his spear (some versions say staff) for Jesus to drink during his crucifixion.
Synthetic sponges were made possible to be manufactured only after the invention of polyester in the 1920s and the commercial production of polyurethane foam in 1952.
Synthetic sponges can be made of polyester, polyurethane, or vegetable cellulose. Polyurethane is used in polyester sponges for their abrasive side. Polyester sponges are more common for dish washing and are usually soft and yellow. Microplastics and nanoplastics can be released from kitchen sponges during use.
Vegetable cellulose sponges made of wood fiber are used more for bathing and skin cleaning, and are usually tougher and more expensive than polyester sponges.[citation needed] They are considered more eco-friendly than polyester sponges as they are biodegradable and made of natural materials.
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Sponge (tool)
A sponge (/ˈspʌndʒ/ SPUNJ) is a cleaning aid made of soft, porous material. Typically used for cleaning impervious surfaces, sponges are especially good at absorbing water and water-based solutions.
Originally made from natural sea sponges, they are most commonly made from synthetic materials today.
The word comes from the Ancient Latin term σπόγγος (spóngos).
The first reference of sponges used for hygiene dates from Ancient Greece. Competitors of the Olympic Games bathed themselves with sea sponges soaked in olive oil or perfume before competing. In the book Odyssey by the Greek poet Homer, the god Hephaestus cleans his hands, face, and chest with a sea sponge, and the servants in the Odysseus palace used sea sponges to clean the tables after the meals the suitors of Penelope had there. The Greek philosophers Aristotle and Plato mentioned sea sponges in both scientific and historic contexts in their works. Ancient Romans used sea sponges extensively for hygiene. The belief that sponges had therapeutic properties led to their usage in medicine for cleaning wounds and treating disease. Ancient Greeks and Romans also used sea sponges tied to sticks for anal hygiene, a tool known as the xylospongium, and washed them with sea water.
In the New Testament, a Roman soldier offers Jesus Christ the Holy Sponge soaked in vinegar on the tip of his spear (some versions say staff) for Jesus to drink during his crucifixion.
Synthetic sponges were made possible to be manufactured only after the invention of polyester in the 1920s and the commercial production of polyurethane foam in 1952.
Synthetic sponges can be made of polyester, polyurethane, or vegetable cellulose. Polyurethane is used in polyester sponges for their abrasive side. Polyester sponges are more common for dish washing and are usually soft and yellow. Microplastics and nanoplastics can be released from kitchen sponges during use.
Vegetable cellulose sponges made of wood fiber are used more for bathing and skin cleaning, and are usually tougher and more expensive than polyester sponges.[citation needed] They are considered more eco-friendly than polyester sponges as they are biodegradable and made of natural materials.
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