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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Why was PDF invented 📃

part 10 of excel for corporate survival: conditional formatting, but make it useful this is how you can automatically highlight entire rows based on specific texts in a cell: 1️⃣ select your data range excluding the header 2️⃣ home → conditional formatting → new rule 3️⃣ choose “use a formula to determine which cells to format” 4️⃣ enter your formula, i.e. • =$B2=“completed” → turns the row green • =$G2=“Angie” → turns the row yellow 💡 remember to anchor the column with $ so each row checks the

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