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A 30,000-year-old habit, shaving has become an aesthetic obsession. Go behind the scenes of a multi-billion dollar industry that dates back further than the great pharaohs of Egypt.
From modest holes in the ground to automated contraptions, the toilet has undergone major transformation since its inception. Engineers are constantly inventing new ways to make it more efficient.
Secrets Of Adam Hart-Davis reveals the secrets behind the construction of ordinary household items, looking at how they have evolved from basic designs to sophisticated and expensive products designed to meet modern needs. This episode looks at what it takes to make a can and includes a look at basic human needs, invention, chemical production and the manufacturing industry
Secrets Of Adam Hart-Davis reveals the secrets behind the construction of ordinary household items, looking at how they have evolved from basic designs to sophisticated and expensive products designed to meet modern needs. This episode looks at the bra, a commodity with a worldwide market of over 16 billion dollars a year, and worn for fashion, comfort and performance.
