Photons are the carrier of the electromagnetic field. We “sense them” via the photoelectric effect (i.e. photons activate electrons)… We do not sense them via

Photons are the carrier of the electromagnetic field. We “sense them” via the photoelectric effect (i.e. photons activate electrons)… We do not sense them via the magnetic force probably because it is useless for us (contrary to some species of birds IIRC).