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October 19, 2020

14th-Century Bridge Construction in Prague

October 19, 2020 at 04:01 PM | Permalink | Comments (2)

Black Barn Owl


From websites:

Black barn owls, the result of a mutation causing melanism, occur once in every 100,000 births in the barn owl population.


They don't last long in their native habitat and you don't see them in the wild because their mother rejects them and doesn't feed them.

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They are a different color and in nature, and especially with barn owls, it tends to be survival of the fittest.

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Black barn owls tend to be smaller [than normal barn owls] and sometimes they have problems with their vision and hearing.

Those that survive struggle to hunt in the wild.

October 19, 2020 at 02:01 PM | Permalink | Comments (0)

'Aircondition' — Oliver Laric

October 19, 2020 at 12:01 PM | Permalink | Comments (0)

World's Most Walkable Cities







I'm booking a flight to Khartoum yesterday.

[via the Guardian]

October 19, 2020 at 10:01 AM | Permalink | Comments (0)

BioVYZR 1.0 Personal Air Purifying Shield


This is Episode 3 of the "Face Shield Follies," each featuring a more elaborate contraption than previously.

This is the best I got for now.

Yo clif: your ship has come in.

From the New York Times:

The BioVyzr is a pressurized, anti-fog face shield with two adjustable fans that run for up to eight hours on a single USB charge.

The creators describe the device, which looks a bit like the weather shield of a baby carriage, as a new form of P.P.E.: a powered air-purifying respirator, or PAPR, which they say can remove as much as 95 percent of particulate matter, such as droplets and aerosols.

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BioVyzr, which raised over $750,000 in May on the crowdfunding site Indiegogo, has sold more than 50,000 units at $379 apiece to customers and wholesalers worldwide, totaling over $18 million in sales, according to Yezin Al-Qaysi, the 32-year-old C.E.O. of Vyzr Technologies.

Shipping began in early October.

Laurie Herzlin, 55, purchased two BioVyzrs, "to get back out into the world again as I have been in isolation for 203 days now."

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She is immunocompromised and had planned to wear the face shield on a flight from her home in Florida to visit her daughter in Toronto.

"Yes, people will stare. They might even take pictures and post them on social media. But I would be OK with that," Ms. Herzlin said. "I just want to stay healthy."

After multiple emails and phone calls with Air Canada, providing them with photos of the BioVyzrs, which they requested, the airline refused to let her wear it on the plane.

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"Air Canada finally came back with a generic response that cited 'safety concerns,'" she said.

A doctor in the airline's medical department told her the BioVyzr "does not meet the description of permitted safety masks," a reasoning Ms. Herzlin called "reckless." (Air Canada declined to comment on the incident but said its mask policy follows the Canadian government's regulations.)

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"People double-take, but I think Canada is very polite so nobody stares too long," said Mr. Al-Qasi, who wears the BioVyzr around downtown Toronto, where the company is based.

Mr. Al-Qaysi said BioVyzr's first model was not approved by an outside body, but that the company is "working to make sure future models are NIOSH approved."

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October 19, 2020 at 08:01 AM | Permalink | Comments (3)

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