In the 1990s, John Sylvan was drinking 30-40 cups of terrible office coffee a day. He noticed the problem: make a whole pot and it goes stale, or nobody agrees on what type to brew. So he invented the K-Cup—a small plastic pod you pop in a machine for one perfect cup in 30 seconds. He teamed up with his college roommate Peter Dragone and named the company Keurig, Dutch for “excellence.” The plan was simple: offices skip Starbucks, get their coffee at work. It would actually be environmentally ne

A man has built a rechargeable battery pack big enough to power his whole home - using the batteries from discarded vapes. Electronics engineer Chris Doel, 26, stripped the lithium batteries from 500 binned vapes to create a single one large enough to run his entire house electrics for eight hours. He wired the 2.5 kWh battery in to his home with an inverter and ran all electrical components entirely off-grid for eight hours, including the microwave, kettle, and all lighting. Chris, who works fo

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