The Greek philosopher Democritus along with Leucippus and Epicurus first proposed the existence of this.​

Indian Philosophy states that the Vedic sage Aruni proposed that “particles too small to be seen mass together into the substances and objects of experience”.​

 This comes from the Greek word which means ‘something that cannot be cut’ or ‘further divided’,  ​

What are we talking about?​

Ancient Romans used it for making drainpipes and conduits.​

 In medieval times anyone working with this material was known as a Plumbarius, which was later shortened to a plumber.​

Which metal are we talking about?

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Early humans expressed themselves by painting on rock surfaces inside caves.​

It was predominantly done in black, yellow and red colours and made use of carbon and this inorganic compound which is formed as a result of moisture reacting with ferrum.​

Which compound are we talking about?

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These show artificially generated smoke using Dry Ice which is used predominantly in stage performances and in movies. ​

What ingredient is used in creating this?

Dihydrogen Monoxide (DHMO) is a colourless and odourless chemical compound.​

It contributes to soil erosion, corrosion and rusting of metals. Symptoms of excessive ingestion can include urination and body electrolytic imbalance.​

 Yet, it is often used as an industrial solvent and in food products.​What is DHMO more commonly known as?