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SOMETHING FOR YOUR KITCHEN: Electric Salt and Pepper Grinder

Electric salt and pepper grinder on Amazon Electric Salt and Pepper Grinder Set with Storage Base, Stainless Steel Rechargeable Salt and Pepper Grinder Set with 4.5oz Large Capacity, 1.8" Wide Mouth, Adjustable Coarseness, ideal for Kitchen. About this item Extra-Large 4.5oz Capacity: Say goodbye to constant refills! Our electric pepper grinder boasts a generous 4.5oz capacity and a wide 1.8-inch opening, making spice refills effortless and mess-free. Ergonomic Hourglass Design: This salt and pepper grinder set is beautifully crafted with a human-centric, contoured waistline, offering both a sophisticated look and a comfortable grip for all your seasoning tasks. The simple one-touch operation design ensures that even individuals with arthritis can use it with ease. Precision Grinding with Ease: Achieve the perfect grind every time with the user-friendly adjustable coarseness feature. Simply twist the knob at the base to tailor your spices from fine to coarse. Type-C Rechargeable

Newton's cradle five-ball pendulum (office toy - I)

It just arrived safely this very morning, my Newton's cradle, which I bought like a month ago on eBay. It had been a while I wanted to have it on my desk. So one day, I browsed to see if there was any online shop selling the stuff. And there were a lot! 

I stumbled upon a very good offer on eBay for a small design of Newton's cradle five-ball pendulum, and it was free shipping. So, within a minute the colliding balls, which was named after the English physicist Sir Isaac Newton, was already on my shopping chart. 

I always wonder how this simple design, five small balls suspended by thin threads attached to two horizontal bars, works. I keep pulling one or two or three balls then release them and watch them rock back and forth. 

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