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February 8, 2019

Tokyo will achieve its goal of making 2020 Olympic medals from e-waste

To make a statement about sustainability, Japan recently announced it would forge its 2020 Olympic medals from recycled smartphones, laptops and other gadgets. It just revealed that it has nearly met that goal after collecting nearly 48,000 tons of e…
 
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January 11, 2019

Quick-stepping hydrogen causes light bulb to flicker

Enlarge (credit: Witthaya Prasongsin / Getty Images)

At one point in my life, I spent several years trying to understand surfaces. It had come as a shock to me to learn that surfaces rule the world. It came as even more of a shock to discover how difficult it was to understand or even measure what is happening at a surface. That makes a light switch made from a single hydrogen molecule sitting on a surface very interesting for what it can tell us them.

Before we get to the good stuff, we need to take a trip down (my) memory lane. What makes surfaces so important? What makes them so hard to understand?

An inscrutable [...]
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December 14, 2018

Rockstar Starts Selling Red Dead Online Gold For Real Money

Red Dead Online’s economy is based on two currencies: cash and gold bars. At launch, it was only possible to get these currencies by playing the game but gold also became available today as a premium currency purchasable with real money. You can just plop down $9.99 for 25 bars instead of earning them in-game, though…

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