search results matching tag: air pockets

» channel: learn

go advanced with your query
Search took 0.001 seconds

  • 1
    Videos (6)     Sift Talk (0)     Blogs (0)     Comments (10)   

Dead Spot on Hisense Arena Explained

Man survives three days trapped under sea

NotJerry says...

Wow, so the man survived for three days, and at the end of the interview, the fellow postulates that the man could have survived two more days in the air-pocket that he was within. Wow, amazing. I wish there was some indication of how big that air-pocket actually was in the vid.

Whipped Cream Frozen With Liquid Nitrogen

rich_magnet says...

I expect that because the whipped cream has so little mass (being mostly "air" pockets) it would have insufficient thermal mass to actually cause any freezing of mouth tissue. Also, to foam being an excellent insulator, it would melt fairly slowly, again limiting/preventing any freezing of mouth tissue.

raverman said:

Does the cold not burn the inside of their mouths?

Buried Alive - The dangers of snowboarding in a forest!

nanrod says...

That doesn't look like a tree well. There's no tree trunk close to him or overhanging branches. I think he just found an air pocket. I've been in a couple of large wells and was able to pull myself out by going hand over hand up the branches that created the well. Fortunately both times I was right side up when I stopped falling. I sure wouldn't want to be upside down in one with nobody around to help me out.

Fart Absorbing Blanket Promises to Save Marriage

Drachen_Jager says...

That doesn't solve the problem though. If it were allowed to disperse slowly over time through normal covers you wouldn't notice. I always catch a whiff when I roll over or something and an air pocket from inside the covers shoots up into my face.

Anyone else? Am I all alone on this one?

Mega Shark vs Giant Octopus - Plane Attack!?

Molten Aluminum + Lab Techs = Fail

bamdrew says...

An air pocket appears to escape when molten metal reheats semi-molten metal, giving an escape route towards the center of the mold (spraying out the latest section of the pour). Maybe impurities on the surface, a bubble of air at the start, or even water from washing out the mold a short time ago could help explain.

Whatever the catalyst, expanding air flicks the hardening aluminum at the tongue in the center of the mold as it flies out, making the 'ping' sound.

The Great VideoSift Coming -Out Thread (Happy Talk Post)

critttter says...

My real name is Squink, as in 'esquincle', Spanish slang affectionate term for small hairless dog, frequently used for children. I was born on September 11th, 2001. (For reals!) I'm only about 30% overweight, but my big-pink-gorilla really tries hard to keep my nutrition levels up. I'm mostly Chihuahua, probably with some pug going on. I live with the big dog, a 14 year old chow/shepard mix. I like to order the large dog around and I think she would attack for me if I commanded it. I keep the yard free of squirrels. I snore very loudly. My big-pink-gorilla thinks I'm too affectionate to strangers and I would go home with anybody. But I'm not a sleeze, really. Oh yeah, and I almost forgot - I bark at air pockets. Do I get a treat for doing this?

What the heck is this cat doing?

Russian plane that flies on water documentary

Farhad2000 says...

Okay I wrote a translation. Not that much new information here for me, but still for all the rest of you! I wonder if I can add this in Google Video for CC.

=================================================================================================================================

It was truly a thing of wonder, still unsurpassed, surely no one in the observable future will able to construct something like the Caspian Sea Monster (KM) - The Ekranoplan, the work of the great Russian innovator Rastislav Evegniy Alexisy. Once the Caspian Sea Monster (KM) was filled with a record load of 544 tons, a record for not only for the Ekranoplan, but all flying based vehicles existing on the planet, even the famous Mira could not take such a load, yet the Caspian Sea monster did it in stormy weather!

They died together, in one year, Alexis in February 1980. The Ekranoplan a little later in latter testing stages, it sank in 20m waters. It's gigantic tail sticking from the water like a tombstone for a long time.

The Ekranoplan is basically an plane, but its massive lifting power comes from 2 technologies, the first being plane lift technology, and Ekranoplan effect (BTW in The US/UK this is called Ground Effect).

"It's incredible that this huge plane flies just a few meters off the water, using just one engine, this was done possible due to Ekrano effect where a pocket of air is created between the plane wing and the water, providing lift"

This lift support, makes the Ekranoplan a more economic plane, i.e. the weight lift capability created meant that the plane flying over water, could be up to 40% larger.

"This gave an increase speed and sea mobility regardless of wave fluctuations for the most part. This is why the air pocket planes... so called Ekranoplans were developed, however the first developments of the ekrano effect were found in early airplanes."

The Ekrano effect was noticed in the infancy of aviation, pilots first felt it when they would try to land, the effect would reduce plane control, and the higher the aerodynamic quality of the plane the less the Ekrano effect would take place. However from the point of view of the pilot and the air builder this was a negative effect, but it gained the attention of various inventors, especially those of speedboats, leading to famous developments of speedboats with under board wings which were also the design of Alexisy Evegniy.

However when these boats reached speeds of 100 to 150 KM/H, they would reach a limit of the Ekrano effect, and Rastislav decided that it was time to stop fighting against the wing and re-design it altogether and enhance the effect of Ekrano effect, to gain the most speed it would need to glide above water. And Alexis started with the largest, a real Caspian monster, the KM was 92 meters long, with a height of 22 M and a wingspan 37 M. The underside was built like a boat, though the most of the exterior looked like that of a plane.

  • 1


Send this Article to a Friend



Separate multiple emails with a comma (,); limit 5 recipients






Your email has been sent successfully!

Manage this Video in Your Playlists

Beggar's Canyon