The Reason There's Over a Hundred Abandoned Giant Arrows Across the U.S.

Being an airmail pilot in the 1920s was a dangerous occupation—according to Half as Interesting, the average person in that profession died after just 900 hours of flying. One of the biggest dangers had to do with navigating at night; once darkness fell, pilots often had no idea where they were going. Aviation maps didn't exist yet, and this was decades before the days of GPS. For a while, pilots had to rely on giant bonfires next to landing strips. But eventually the U.S. government hit on a solution: thousands of giant glowing arrows, known as airway beacons, showing the way across the country. The arrows, accompanied by lighted towers and erected every 10-15 miles from New York to San Francisco, made airmail faster, cheaper—and most importantly, much safer for pilots.

By World War II, most of the arrows were scrapped as advances in radar and radio communications made them obsolete, but at least 121 still remain across the country. (CityLab notes that Montana still uses about 19 of them for pilots flying through the mountains.) And they haven't been entirely forgotten: The site Arrows Across America is devoted to photos and details of the remaining arrows.

You can learn more about how the arrows worked, and where they are now, in the Half as Interesting video below.

This Tiny DIY Kiosk From Amazon Would Make a Great Backyard Bar—or Chicken Coop

Allwood, Amazon
Allwood, Amazon

This summer, upgrade your backyard cocktail parties with an actual backyard bar. The Allwood Retail Kiosk, first spotted by House Beautiful and available on Amazon, is designed to be a tiny store, but it can function as so much more. And most importantly, it can be assembled in a matter of hours.

Built from durable Nordic spruce, the compact building is inspired by retail kiosks in Scandinavia. The interior measures 94 square feet, and the window covers fold out into counter-like platforms for serving food and drinks. The versatile structure works as more than just a space for your small business. The seller notes on Amazon that past buyers have used the shack as a chicken coop, and it could even house cats: "I believe this could well work as a feline suite. I don't think they would complain."

The kiosk costs $3990 on Amazon, and shipping is included. Once it's been assembled, the exterior needs to be stained or painted to protect it from the elements. If you're looking for even larger structures that can be delivered, Amazon also sells tiny houses.

[h/t House Beautiful]

$1.6 Billion in $50 Bills in Australia Were Printed With a Typo

PAUL CROCK/AFP/Getty Images
PAUL CROCK/AFP/Getty Images

Australia's $50 banknote is filled with details; there are so many of them that it's hard to spot the typo that slipped onto the face of the bill. But if you know where to look, you'll see the spelling error that the treasury failed to catch before printing it on millions of pieces of currency.

According to CNN, the $50 bill, worth about $34.90 in U.S money, debuted in October 2018. It features Edith Cowan, Australia's first female member of parliament, with her inaugural speech to the Western Australian Parliament typed out in microprint above her shoulder. The words are hard to read, but in the zoomed-in image below you can see the word that's supposed to read responsibility in the second line is mistakenly spelled responsibilty. The bill also features innovative security features, such as holographic design elements, but the typo snuck by unnoticed.

The misspelled word was printed on 400 million banknotes, 46 million of which are currently in circulation. Altogether, the misprinted currency in circulation totals A$2.3 billion, or US$1.6 billion.

Australia's treasury plans to keep the bills in circulation and correct the error when the next batch of $50 banknotes is printed sometime in the next few months. Other typos of this scale have resulted in major consequences: In 1962, a missing hyphen in some computer code caused a satellite to explode, costing NASA $80 million.

[h/t CNN]

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