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At 12, she noticed how ironing machines used by vendors released charcoal smoke. She then invented a solar-powered alternative in just 6 months - The Economic Times
At the tender age of 12, one little girl accomplished the seemingly impossible – she invented a solar-powered ironing cart. Vinisha Umashankar was a mere slip of a girl at 12 when she noticed that the ironing machine used by vendors generated a lot of carbon, which not only pollutes the environment but also increases lung diseases.