Over the past few decades, engineers have leveraged Moore’s Law to the fullest, resulting in powerful ultrathin laptops and feature-rich miniature wearables. Back in 1981, a 23-pound Osborne 1 computer was considered portable, with 64KB of onboard memory. Today, smartphones weigh just a few ounces and easily pack 128GB of storage.There’s also a vastly more complex architecture of circuits and sensors inside these devices, all at a scale nearly invisible to the eye.
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https://www.engadget.com/2015/06/13/moores-law-micro-machines/