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2021-11-22 06:22:24 WHY are the "black boxes" in airplanes actually red or orange?

A "black box" is a device installed in an airplane to record information about the technical condition of all devices, as well as the actions and conversations of the crew.

Actually, it is not a box, but rather a ball or cylinder. And its color is not black, but red or orange, to make it easier to find in case of an accident. Open / Comment

2021-11-20 21:15:25 WHY does the human brain react to emoticons the same way as real smiles?

Scientists in Australia have found out that there is no innate response to emoticons that children are born with. Before the advent of smiley faces, the brain had no reason to respond to such a combination of signs ":-)" as a smile.

Yet, since some time, the brain has "gotten used" to the fact that this combination of symbols represents a face, and now responds to it. Thus, it is a completely culturally conditioned response.

Open / Comment

2021-11-20 21:14:36 Only 39% of Americans Approve of Biden’s Handling of Economy – Poll

А new ABC News/Washington Post survey published on Sunday reveals that the approval for US President Joe Biden’s handling of the economy stands at 39 percent.

Overall, 70 percent of Americans say the economy is in bad shape, while 55 percent disapprove of Biden’s economic performance.

The ABC News/Washington Post poll was conducted on November 7-10 among 1,001 adults.

A Monmouth University poll revealed on Wednesday that Biden’s job performance rating was at 42 percent approve and 50 percent disapprove. Open / Comment

2021-11-18 17:05:41 Biden Administration's Policies Contribute to Spike in Gas Prices - Texas Oil Regulator

The Biden administration's tight grip on the US energy sector has hurt consumers at the gas pumps, Jim Wright, an industry regulator in the United States' top oil-producing state, at a conference in San Antonio, Texas.

Wright, who serves as a commissioner on the Texas Railroad Commission, which regulates the state's oil production, said the decision to revoke a key permit in the Keystone XL pipeline project was very harmful to the industry.

He added that Biden's decision to temporarily pause oil and gas leases on federal land also did not help.

Earlier, Biden's Environmental Protection Agency announced it intends to limit the methane emissions from some one million oil and gas rigs in the United States. However, in September, the White House approved the lease of 78 million acres of offshore drilling in the Gulf of Mexico, which is reportedly the largest offshore oil and gas auction in American history. Open / Comment

2021-11-18 09:30:24 WHY Nikola Tesla slept only 2 hours a day?

To all those who believe that a human body needs 8 hours sleep to perform well, here’s some news: Nikola Tesla claimed that he never used to sleep for more than two hours a day! That means that out of 24 hours, he was awake for 22 hours. On one occasion, Tesla got so involved in his work at his laboratory that he continued working for 84 hours without any sleep or rest.


Nikola Tesla Open / Comment

2021-11-17 12:04:33 Porsche says the GT4 RS reaches 60 mph in 3.2 seconds – a half-second quicker than the GT4. It tops out at 196 mph, and Porsche already spilled the beans on the Nordschleife lap time. For added perspective, it's nearly 24 seconds faster than the GT4, and just a few seconds away from the current 911 GT3. Folks, this new 718 Cayman GT4 RS is absolutely no joke. Open / Comment

2021-11-17 12:04:29 The 2022 Porsche 718 Cayman GT4 RS is finally revealed, though its development hasn't exactly been a secret. Heck, Porsche even told us how fast the new GT4 RS laps the Nürburgring – 7 minutes 4.5 seconds in case you missed it. However, now we know why it turns such a fast lap, and it's not just the fantastic engine.

That's a good place to start, because in the time it takes you to read this sentence, the GT4 RS can accelerate from a standstill to over 100 mph. The 4.0-liter flat-six is pulled straight from the Porsche 911 GT3, though in the mid-engine Cayman it only makes 493 horsepower (368 kilowatts). Torque checks in at 331 pound-feet (449 Newton-meters), also a bit less than the 911 GT3, but the engine still hits all the high notes with a 9,000-rpm naturally aspirated redline.For the record, the standard GT4's 4.0-liter engine isn't a GT3 derivative, spinning to 8,000 rpm while producing 414 hp (309 kW) in the process. It's not slow by any means, but Open / Comment

2021-11-17 12:01:07 Mercedes have announced they are seeking a 'Right of Review' of the incident in the Sao Paulo Grand Prix when Red Bull's Max Verstappen defended the lead from Lewis Hamilton, leading both drivers to run wide.

Hamilton, who started P10 on the grid, had been closing down Verstappen's Red Bull, culminating in an attempted pass around the outside at Turn 4 on Lap 48. Both drivers ran wide before rejoining, with Verstappen still in the lead. Open / Comment

2021-11-17 11:54:14 WHY haven't humans tamed zebras?

As early as the 19th century, colonizers thought of domesticating zebras in Africa to avoid transporting horses to the continent. Zebras are also resistant to diseases carried by the tsetse fly.

Yet unlike horses, which are carefree, zebras are in a constant state of stress, running away and even sometimes fighting savannah predators. Cornered, a zebra can beat a lion to death. Open / Comment

2021-11-16 12:18:26 WHY are horses' legs not tired when they sleep standing up?

The unique bone and ligament system of the horse's leg ensures that they are connected in such a way that a stationary standing horse's legs can support its weight without the slightest muscle strain. Therefore, no energy has to be expended by the horse during sleep.

It can be said that their knee is equipped with a special mechanism that secures the joints in a stationary position. Open / Comment