What?!?
That was quite something, starting by ignoring the impossibility of tunneling below the incredibly seismically active Bering straight and culminating with the theory that Russia and China are going to collaborate to build a $100 billion railway tunnel from essentially empty East Siberia to empty West Alaska and beyond with or without the USA's involvement.
I'm flabbergasted serious governments would admit they considered this plan.
What?!

Carpal Tunnel? Never heard of it.


Uh, and if, as appears to be the case, *every* widget goes in the basket, why is there a person doing that?

Your video, Wooden Propellers for Wind Tunnels 1941 NACA Langley, has made it into the Top 15 New Videos listing. Congratulations on your achievement. For your contribution you have been awarded 1 Power Point.

Looks like underground ant tunnels to me.

The fact that the current state of the technology is not public knowledge, and the fact that it's development is a secret military program, likely without a publicly available budget in all 3 countries, makes me think it's secret. Just tests on models require a supersonic or hypersonic wind tunnel....you don't pick those up at home depot.
Nobody has seen one fly, so if it was even in the early testing phase, no one noticed. Since we're watching, I'm dubious it's past models and simulations anywhere.
I don't doubt they, like us, are working on it. I have doubts any nation has made exponentially more progress than we have, and I wouldn't trust China or Russia if they claimed to have them without seeing them demonstrated successfully, just as they shouldn't trust us if we make more unsubstantiated claims, we're proven liars.

"The good and bad news about ants and plants. ... Their tunnels aerate the soil and allow water and nutrients to flow directly to the plant roots. They also distribute seeds by storing them in their tunnels. The bad news is that ants can protect honeydew-producing, sucking insects that do a great deal of damage."

Tags for this video have been changed from 'The B1M, Norway, E39, Highway, Fjords' to 'The B1M, Norway, E39, Highway, Fjords, bridge, tunnel, submerged, suspension' - edited by Eklek

Hasn't Elon Musk already dug that tunnel?

tl;dr - a standing wave in a blocked-off tunnel causes pressure fluctuations at the anti-nodes, changing the dew point and causing the rapid condensation of water in the air.

Seems plausible to this lay-person.

can't guarentee I don't occasionally navel-gaze tho. Take it or leave it.

And the workers view from the other side of that tunnel

I don't get it.

What's scary about that?

I thought the tunnel'd be completely dark... or someone dressed as a zombie would reach out screaming at you or something.

And this is why red tags are not allowed in the tunnels.

https://www.youtube.com/watch?v=-0m4o82guCk

I love all of his videos, and I crave more so much that I watch lots of the related videos of others who do a much lesser quality job (imho).

But I just saw one yesterday that made me sick. The girl in the video advertises that she'll show you how to have a smoke-free teepee by digging a tunnel, but really it's just a long, annoying commercial for the shovel she's using.

And what makes it so vile is the video is titled "Smoke Free Teepee," but she doesn't at all make it smoke-free.

https://www.youtube.com/watch?v=n1Dm7ZseWh0

Everything is fine until the alien walker tunnels up.

Y-40 "The Deep Joy" pool first opened on 5 June 2014 and was designed by architect Emanuele Boaretto. It is 40 metres (131 ft) deep, making it the deepest pool in the world. It contains 4,300 cubic metres (1,136,000 US gal) of thermal water kept at a temperature of 32–34 °C (90–93 °F).[4] The pool features underwater caves and a suspended, transparent, underwater tunnel for guests to walk through.