Recent content by NUCLIDES

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The fluid flowing must first enter the pitot tube, otherwise how will the pressure inside increase. And yes I am questioning why will fliud flow in an open ended tube when initially immersed in a moving fluid

even for a pitot tube ,why does the flow enter the tube if the outside static pressure is lower than the inside pressure which is 1 atm?

Bernoulli's theorem doesnot mean high pressure inside the venturi, indeed suppose a venturimeter is just placed in a flow, then the pressue inside will be 1 atm, but it will be more than or equal to the outside pressure , so why does the flow enter the tube?? Why will there be a low pressure...

I am speaking of venturis used to measure the aircraft's speed not create vacuum for the instruments, these don't have vacuum in them , they are at atmospheric pressure.

When we just insert a venturimeter in a potential flow, the pressure inside the venturimeter is higher than outside(since from Bernoulli's principle pressure decreases when velocity increases) , then how does the flow enter the tube?

Firstly I am speeaking about refraction not diffraction. And next I am asking what triggers the light to bend, there seems to be no exact answer to this. Like we can explain reflection by considering light as particles and elastic collisions , diffraction by considering light as waves etc.

The fact is that these are examples of antimatter being created now. What I am referring to is one of the biggest questions of astrophysics, why is there no antimatter in our universe if matter and antimatter was to be created in equal amounts.

if we consider this fact to be a physical reality then we can explain why there is no antimatter in our observable universe. The antimatter can actually be present, but in negetive time . So in a way it could be related to astronomy .

I mean on an atomic scale what exactly happens?

why exactly does light bend in a medium??

what did feynman mean when he said "positrons are electrons traveling backward in time"?

alright, but then what is IONS?

is noetic science a valid science field?