Recent content by gen66

aha, if there were less trolls around these forums It would be amazing :)

thank you for the answer. It doesn't contain any numbers unfortunately. Question was about the necessary speed needed.

It's perpendicular, question is about physics, it's definitely not a biology question. I'm asking about speed, the answer contains speed, where is the biology in speed? No matter what information you get, you just won't answer the question. Just say it's a difficult one and you don't know and...

If I give you all these, would you try to answer the question or you would just ask for more specific details and variables? Just a normal viewing angle right in front of you, at eye height or a little bit lower. Light is bright day at 13pm, no clouds. Concentration level is medium, you're just...

Ah, still no serious answer :( Ok, please ignore the shockwave the object will create and let's focus only on visibility, how fast it would need to move to be undetectable by humans eyes, e.g. distance 1 to 10 meters away from the eyes.

Summary:: How fast does a human sized object(or a human) need move so I won’t be able to see it at all if it passes right next to me? Im trying to figure out something in regards to the Flash movies/Flash series but I’m super bad at calculations and math :( Do you think that mach 2...

These types of answers I love, pretty concrete answer, thank you sir!

Ok, white ball on a dark background space the ball is going to pass like 1 meter away from me, in front of my eyes, I'm attentive as an average 30 year old person from Europe. Do you think it's possible to spot this ball with 65km/s moving speed? I think it's quite a physics question, because...

But what if I just have a visual in the space limits of 10 meters width in from of me and I'm focused there, when the ball passes through those meters would I see it? (I don't want to see it coming from 1-2 km away, I want to see it exactly when it passes in front of me if I keep my eyes...

Imagine a football(soccer) ball passing next to you with a speed of 340 meters per second. Would you be able to see that? I would like to ignore realistic details as the ball burning or leaving trails etc. I'm just interested if I would be able to see the actual ball passing next to me at that...