If the probability of a point (photon) hitting another point (electron) is zero why do they collide? To have a probability greater than zero almost one of them should be not a point. Correct me, please if I am wrong.

the vessel crew reported that they suspected bottom hull of the vessel is leaked as they found out a Void Tank have a sea water ingressed and now the tank full with Sea Water. Luckily the tank watertight integrity is good, and able to prevent water ingress into the machinery space. Vessel will be...

Kestrels are birds of prey primarily found in North America. They belong to the falcon family but have a unique ability to hover in the air. You can find a whole bunch of videos (See 1,2,3,4, for example) about these fascinating creatures if you search "Kestrel hunting." Rearview : Video from w...

I read somewhere that whirlpools in water will attract each other if they are spinning in opposite direction but will repell eachother if they are spinning in same direction. How does this exactly work? I know equations of fluid mechanism can be hard to grasp. Is there an intutive way normal peo...