Progress doesn’t stand still. It’s part of our human nature to strive for innovations that increase comfort and improve quality of life. Every day, new technology bursts into our lives, and familiar things gain new features and unexpected additions. But this hasn’t always been the case. It has taken scientists and engineers decades to perfect some of the inventions no one would think twice about today.
1. Rollerblading
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2. Going to the beach
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3. X-rays
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4. Vacuuming
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