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By The Numbers

Hoverboards take a dive

Marketplace Staff Dec 16, 2015

Back in December, that’s the percentage of imported hoverboards in the UK that were found to have failed basic safety inspections. Now, Amazon has begun to pull many hoverboards from its site, citing safety concerns. As the Guardian writes, the devices are largely made in China before being purchased by resellers for cosmetic treatment.


That’s the year Justin Bieber was born. Stick with us: it’s also the last time interest rates were at 4 percent, a number that the Fed has said it expects will be reached again in 2018. It’s worth revisiting the early 90s: looking at interest rates then could tell us something about where the economy is headed now.


That’s the dimensions of the world’s smallest inkjet printed image. Researchers in Switzerland used “quantum dot” technology to create the image — clownfish swimming in the ocean — whose width is about the thickness of a sheet of paper. As BBC Tech writes, the technology could eventually be used to create “screens on demand.”

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