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If the jet has motion blur, it may be in focus.

the porthole is round?

that's a CEE 7/17 plug

It's without refraction, and a 65⁰ field of view. Whether Piccard could have achieved that would depend on how close he could get to the outside of his 8cm porthole (and still see the ruler?), he'd need to be at 7.3 cm (2 7/8") or closer. The gondola itself was 0.35cm thick. It definitely...

hmm, I'd say it doesn't, but... the explanation you're quoting says that the bright limb of the moon appears bigger due to atmospheric glare (and maybe lens imperfections/focus). So does the dark limb (but less so), and obviously the star as well, which is actually a pinprick at the center of...

the surface is very far down, and the horizon is still nearly at eye level the description of his impression makes perfect sense at 50,000 ft, you can see 300 miles in each direction, with only 10 miles of drop, that you can't really discern because that's only ~4⁰ down from eye level Earth is...

sounds like it could be another optical illusion I wonder if these observations kept occuring once the age of astronomical photographs was in full swing; if these are common occurrences, someone ought to have pictures of it if it's objectively happening

Jupiter being bright and then appearing as "a dark object" suggests an afterimage in the eye of the observer. If Jupiter simply passed in front of the moon, there's no reason for it to darken. given that the sybol dates back well over 2000 years and sources are scarce, I doubt it I expect...

also, I doubt California is going to get hit by conventional air strikes if you were to subordinate city planning to potential armed conflict (putting you at an unnecessary disadvantage), the threat scenario has to be a nuclear bomb; I kinda doubt population density matters much in that case

this is something i will never understand if i believe, and want others to believe, then I need the report of a sighting i believe in to be as detailed as possible: time, location, camera type, witnesses, weather/wind, etc. the only reason to be vague about this, i imagine, is if i don't...

look in the https://www.metabunk.org/forums/science-and-pseudoscience.4/ forum (some "alternative" physics also in health/5G, see https://www.metabunk.org/forums/5g-and-other-emf-health-concerns.59/ )

From German wikipedia: Ukraine Mariupol 2 179 inhabitants per km² Kyiv 3 497 inh/km² Kharkiv 4 726 inh/km² EU Paris 20 557 inh/km² Geneva 12 797 inh/km² Kopenhagen 7 476 inh/km² Dresden 1 691 inh/km² California San Diego 1 651 inh/km² Oakland 3 035 inh/km² Irvine 1 712 inh/km² Modesto 2 357...

Are there any example cities named in the claim? I'd love to be able to look up the poüulation densities and compare them to typical European cities (which were not built with bombs in mind). It's obvious to me that a "walkable city" is bound to be more dense than car-dependent American sprawl.

but aren't the floor beams/trusses long in the direction that the spandrels are deep? We're talking about core columns bending/buckling. The facade columns are connected via the spandrel plates, which provide excellent in-plane stiffness to the facade (allowing it to bridge the airliner-shaped...

ok, so you want to put their eyes at the center of a glass sphere at 39 km height, paint the visible horizon on the inside of the sphere (as seen by them), and look for horizon drop? I don't really see what doing this virtually would achieve and there are easier ways to demonstrate horizon drop

I didn't see you imply anything, except maybe that they are meant to paint the inside of the sphere, and you also put them down in a place with little vegetation (unobstructed horizon) if you float the Zorb in the ocean, the horizon will come up pretty much exactly half way, which is to be...

Bislin provided an option to save your setup to a URL ("Get App URL"); it'd be great if you posted that along with any screenshots.

it wouldn't unless they sat down so their eye level was near the center of the sphere

How would I see that? are you referring to the thin line along the long edge?

So, which claims are we debunking in this thread, then? a) 'I burned myself with hair dryer and forgot about it until I found the mark' b) 'I found a weird mark that I can't explain, it must be aliens/supernatural' with b) being partially implicit because of where it is being reported