After watching the first 12 of these clips, i get the feeling Brian Cox would make a great particle accelerator salesman :)

photons (although have no mass) have a lot of energy. Using E=MC^2 alone, its obvious that a particle with mass can be discharged by energy. Frequency can be taken as energy, and so by knowing the frequency of a light, we can predict how the light will react to electrons the photoelectric effect explains this best.

@normanleto its simply hydrogen bonding and van der waals forces, the hydrogens are slightly positively charged (they repel the electrons in the bond) and the oxygen is slightly negative (it attracts the electrons in the bonds) and so when the oh branch of one h2o comes into line with an h (h----o-h as it would appear) the attraction between them keeps it together, go google van der waals forces, they are just momentary induction of "dipoles" these attractions use photons as messengers i think

we can think of the photon, or particle, as a surfer riding a wave, who prefers to be at the highest point of the wave, or more specifically the crest, where the energy of the wave is the highest.. but avoiding places where energy is lower.. the higher the frequency, or lower the wavelength of the wave, which is what determines its color, the more crests or photons passes a certain point in a given time, giving us the notion that the wave has a higher energy..

These carrier bosons were descovered in 1980. Not the gluons though.

One question: we have a swarm of H20 particles,hitting each other. Some will join and stay together to form larger droplets, but some will bounce off by repulsion force. How exactly maseless photons involved in the electromagnetic force cause this bounce? Are photon wavefunctions (responsible for repulsion) emitted by electron wavefunction of the repelling H2O atoms? Or these force carrying photons wavefunctions are already "in the field" emitted before by any other sources? ...thanks

nice video. I wonder if it was really necessary to get 2 ice skaters passing a ball to illustrate the principle...

If photon transfer between electrons causes the electrons to repel, then what causes them to attract?

waves are transfer of energy without the transfer of matter itself.. more like the transfer of disturbance through space or a medium.. but remember that according to einstein, energy is mass.. so we can say that transfer of energy is also the transfer of mass and it is this transfer of energy that we can refer to as light being a particle, a photon..

ok if it is an escaped electron, does that mean the atom dynamics change, because of one less electron?

@x1x2x3ct can't agreed more!

Because the QED is more fundamental and we know more about it... QCD is difficult, REALLY difficult... ;) Altough, I would really like Brian to teach us about it.. :D

i know that ....but ment photons are energy carrier particles ..and also happen to be massless the W and Z bosons are also energy carries but have mass ..lots of it... the guon is just like the photon except it mediates another force.. massless particles do have energy but have no mass ...their energy can be converted into mass for example photons rays can decay into electrons and positrons ..wich is reverse anihilation otherwise called matter creation.

Those were some sexy electrons!

The most fundamental question of all: What is The underlying law of nature.

me to

@lakshaysaxena4577

2 жыл бұрын

How are u sir

while elementary particles can become other elementary particles throo certain processes ..u cant say a photon is an escaped electron .... a photon is the carrier particle of the electromagnetic force...

yes an electron can absorb photons so electrons absorbing excaped electrons doesnt sound like a good metaphor :( the best name for a photon would be ..pure energy ..since its a particle that carries energy ...itself has no mass , no charge, no color charge ..no weak charge ...its basicly ...almost nothing at All...but its very very important to us.

particle physics for GCSE level students can't be anything much more complicated than that programme show it, since it's heavily mathematical. as for that simplicifation being part of a political process... not entirely; but i can agree that there's is a general trend to 'dumbing down' in education (sadly). the old GCE O-level syllabus in maths contained and intro to calculus, which is missing in the GCSE... result was that it weakened the students' knowledge prior to entry to A-level. go.

i said they are alike cus they both have no mass and are bosons ....thats the similarity between them ... i was just poiting out that th metaphor doesnt make sense ..u could just say a photon is an escaped piece of an electron that would be more fitting wtf are we arguing with this i got creationist to debate not complaining about semantic :(

a photon is not an escaped electron ....first off photons have no mass ..electrons do..

I can't help but cringe every time I see him hit his fist on the particle accelerator (isn't that the LHC? I'm led to believe that it is due to the underground facility, but I don't see anything blue so I'm not sure.) I KNOW he did that to the LHC before as well.

Faith? This is science..

I simply do not have enough faith to believe this.

Yup, i got a couple billions of dollars to burn.

Funny how your computer works on these principles ... faith ? take a good look at your computer and think about what's inside and how it works

you said: "You may come to know this process as 'dumbing down'" I said: "this is for comprehensive school students studying at GCSE level!!!" you said: "I smear shit on your forehead!" what's your problem? now just pack it in, okay?