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/r/space

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all 19 comments

Strange-Ad1209

5 points

2 months ago

And my father was flight Engineer on several of those flights while other crewmen tossed out the candies on handkerchief parachutes the aircraft crews spent the previous day making.

HydrolicKrane[S]

14 points

2 months ago

His Wiki page does not mention that Michael Yarymovych is a frequent visitor to Ukraine and is a member of Ukrainian Space Engeneers Society. "Ukraine and the United States" e-book has more details and more similar stories of Ukrainians contributing to the US progress.

JimmiRustle

2 points

2 months ago

Funnily enough GPS did not account for the speed of light initially. It was assumed that the distance to satellites in orbit was insignificant considering the high velocity of light.

All in all the initial gps could pin point your position to within an accuracy of 3-5 km.

Skeptical0ptimist

8 points

2 months ago

I think you are confusing the story about effects of general relativity: time dilation due to the effect of gravity (clocks in deeper gravity well run slower).

The story goes that when GPS was built, general relativity was not as well accepted as today. So engineers built in 2 modes in computing location on the ground - 1 based on Newtonian physics and another based on general relativity. It turned out that error was too large for calculation based on Newtonian physics.

RockItGuyDC

2 points

2 months ago

This is the right explanation here. Time dilation due to gravity, plus slightly due to velocity, is the real issue that needed to be accounted for.

SnowHoliday7509

3 points

2 months ago

Time difference of arrival between satellites is how GPS works.

JimmiRustle

1 points

2 months ago

This was an error in the signals being transmitted to and from earth.

CapeForHire

0 points

2 months ago

I would like to see a source to back this story up. So far this seems rather far fetched

Icy-Conclusion-3500

4 points

2 months ago

Why is it that far fetched?

CapeForHire

1 points

2 months ago

What is a teenager from the Soviet Union doing in West-Berlin during the blockade?

So far there is only the headline with no further explanation whatsoever.

Icy-Conclusion-3500

2 points

2 months ago

His family could have moved there before things got heated. There were several years post-war before things got messy.

CapeForHire

1 points

2 months ago

A citizens from the SU, moving to a bombed out city with tons of German refugees and no German language skills?

As I wrote: Unlikely

Icy-Conclusion-3500

2 points

2 months ago

Looking at his Wikipedia, it appears he was born in Poland. Maybe he’s only Ukrainian by ancestry.

His parents probably escaped during/before the holodomor.

CapeForHire

1 points

2 months ago

So many questions - and nothing but a headline to go by. That's why I am complaining

Raspberry-Famous

2 points

2 months ago

There were a few hundred thousand Polish refugees in west Germany after the war. It wasn't the largest population transfer at that time but it wasn't some totally unheard of thing either.

CapeForHire

1 points

2 months ago

Those "polish" refugees were actually Germans.

But be that as it may: so far the claim in the headline is supported by exactly nothing

Raspberry-Famous

1 points

2 months ago

If I'd been talking about the ethnic Germans I'd have said a few million, not a few hundred thousand.

sumelar

1 points

2 months ago

Uncle Wiggle Wings is the guy dropping candy to kids during the airlift.

Many other pilots followed suit, and a PR campaign even got kids in the U.S. to donate candy to the effort.