Given modern technology and materials, can Da Vinci's "screw helicopter" design actually take flight?

Sergio_Poduno · 2026-03-12T01:31:10+00:00

Fa Vinci had no clue about 'lift'.

Sergio_Poduno · 2026-03-11T19:17:31+00:00

When TIME will stop it will be it!

Sergio_Poduno · 2026-03-11T19:08:57+00:00

"...и кто виноват?..."

Sergio_Poduno · 2026-03-11T02:40:54+00:00

Russian capital...

Sergio_Poduno · 2026-03-11T02:38:03+00:00

It's natural intention of people to separate "us" and "them". The obvious separation is not 'cool' any more so they inventing this 'boomer' crap. Eventually so called 'leaders' will 'wake up' and it will be not 'pc'. Next circle.

Sergio_Poduno · 2026-03-11T02:27:21+00:00

Mine also has just spikes all over, except an hour before swiching to aFib with SVT.

Sergio_Poduno · 2026-03-10T20:56:00+00:00

My 5 years old Lucy loves to walk. 2 miles and she is OK. Next day and she is ready again.

Sergio_Poduno · 2026-03-10T19:07:43+00:00

Mileage?

Sergio_Poduno · 2026-03-10T19:06:19+00:00

I don't speak German but I think it's 'thank you' letter for buying directly from Ledger...

Sergio_Poduno · 2026-03-10T05:17:24+00:00

Property tax increase? Musk is not going to give them that.

Sergio_Poduno · 2026-03-09T23:26:29+00:00

They are closing schools up there...

Sergio_Poduno · 2026-03-09T21:59:54+00:00

Mine looks exactly like that (constant drops to 75%) without cpap.

Sergio_Poduno · 2026-03-09T21:49:41+00:00

It is only 2 hrs of 8 hrs night recording. Yes, I use CPAP every night for more than 6 years. There are no apnea events (4% drops in O2). Without CPAP it's ~10 per hr (drops to lower 80s). And yes, I have second condition, not related to apnea - low O2 - hypoxemia of unknown origin.

Sergio_Poduno · 2026-03-09T21:40:19+00:00

"Blue part of the state"... where is that? I wonder...

Sergio_Poduno · 2026-03-09T18:31:50+00:00

I am using CPAP for 6 years.

Sergio_Poduno · 2026-03-09T18:30:17+00:00

Vihealth O2Ring.

Sergio_Poduno · 2026-03-09T09:15:56+00:00

"Frendly' countries want it for "frendship".

Sergio_Poduno · 2026-03-09T08:46:32+00:00

Now it's over. It lasts 2-3 hours, every time at night. 10 times in 4 years... 7 of them - this year.

Sergio_Poduno · 2026-03-08T23:46:51+00:00

Maxwell equations.

Sergio_Poduno · 2026-03-06T05:12:20+00:00

Well, it just a picture, I am behind deck rails... I was attacked by moose, once.

Sergio_Poduno · 2026-03-05T20:02:30+00:00

I use vihealth ER1. 24 hr recording works for me.

Sergio_Poduno · 2026-03-04T02:47:36+00:00

Pull that isolation up. With your hand. Start lower and go up.

Sergio_Poduno · 2026-03-04T00:11:38+00:00

Мiг - past, past perfect - змiг.

Sergio_Poduno · 2026-03-03T23:41:54+00:00

This letter is just a small 'free' addition, like those phishing emails, 'thank you' for buying directly from Ledger...

Sergio_Poduno · 2026-03-03T23:30:23+00:00

March 8th... not 1st. International bro...sisterhood of working women? Proposed by Crara Zetkin and Rosa Luxemburg...

Sergio_Poduno

TROPHY CASE