Which everyday material was accidentally invented in 1907 by Belgian-American chemist Leo Baekeland, becoming the world's first fully synthetic plastic?
Long before takeaway tubs and Lego bricks, one sticky lab experiment kicked off the plastic age. It changed everything from telephones to jewellery.
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Which Roman emperor debased the silver denarius so severely that its silver content dropped to around 5% by the end of his reign in 217 AD?
π° Money Β· 26 votes
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π€ Dilemma Β· 26 votes
Which British musician released the 1973 concept album 'The Six Wives of Henry VIII'?
π΅ Music Β· 25 votes
