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How to Destroy the Non-Paper £5 Note

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In September 2016, the Bank of England issued a new fiver (£5 note) made from a polymer. The new note replaces paper bills, and is designed to be vastly more sturdy. It's nearly impossible to tear. So how can we destroy one of these things? With science!

In the video below, the intrepid Brits of Periodic Videos subject the new fiver to a series of tortures. The most straightforward method is freezing the note with liquid nitrogen, then shattering it with a hammer. Beyond that simple method, things get a bit crazy with fuming nitric acid that's "gone a bit brown." Enjoy:

As professor Poliakoff says in the video above, it's legal to destroy these notes—but illegal to scribble on the Queen's face.

(If you enjoyed that video, there's 15 minutes of raw footage showing outtakes.)

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GoPro Will Let You Trade in Your Old Digital Camera for One of Their Cool New Ones
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If your camera is aging, GoPro just gave you a great incentive to trade it in for a new model. The company has launched a buyback program that discounts its latest models if you send in your old camera, according to TechCrunch.

If you participate in the GoPro TradeUp program, the company will lop $50 off the price of the new GoPro HERO6 Black and $100 off the price of the Fusion, both released in late 2017. The offer applies to any digital camera—GoPro or not. Now might be a good time to offload that digital point-and-shoot you’ve been sitting on. (It does have to have an original retail value of at least $100.)

GoPro tried a similar initiative in 2017, giving customers 60 days to send in older GoPro models and get a discount on new models. Almost 12,000 customers answered the call. Now, the company is bringing it back with no end date, and the program will now accept any digital camera, whether GoPro-made it or not. “Dented, dinged, destroyed—no problem, we’ll take it,” the site promises.

If you’re already looking to get a new camera and want to dispose of your old one properly, this is a good way to do it. According to the company, “returned cameras will be recycled responsibly via zero landfill and recycling methods appropriate to material type.”

When you order one of the two available GoPro models through the TradeUp program, the company will direct you to dust off your old camera and send it in, with shipping costs covered. Once GoPro receives your old camera, it will send you the discounted new one.

With the discounts, a HERO6 Black would cost $350, and the 360°-shooting Fusion would cost $600.

[h/t TechCrunch]

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The Richest Person of All Time From Each State


Looking for inspiration in your quest to become a billionaire? This map from cost information website HowMuch.net, spotted by Digg, highlights the richest person in history who hails from each of the 50 states.

More billionaires live in the U.S. than in any other country, but not every state has produced a member of the Three Comma Club (seven states can only lay claim to millionaires). The map spans U.S. history, with numbers adjusted for inflation. One key finding: The group is overwhelmingly male, with only three women represented.

The richest American by far was John D. Rockefeller, repping New York with $257.25 billion to his name. Amazon's Jeff Bezos and Microsoft's Bill Gates clock in at the third and fifth richest, respectively. While today they both make their homes in the exclusive waterfront city of Medina, Washington, this map is all about birthplace. Since Gates, who is worth $90.54 billion, was born in Seattle, he wins top billing in the Evergreen State, while Albuquerque-born Bezos's $116.57 billion fortune puts New Mexico on the map.

The richest woman is South Carolina's Anita Zucker ($3.83 billion), the CEO of InterTech Group, a private, family-owned chemicals manufacturer based in Charleston. Clocking in at number 50 is the late, great socialite Brooke Astor—who, though a legend of the New York City social scene, was a native of New Hampshire—with $150 million.

[h/t Digg]

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