Matter Detected Moving at 99.999% of the Velocity of Light

HiC A laser can push electrons up to 99.999 of 'c' (cheap accelerator)
The Cern can push them up to 99.999999999 of 'c'. At 99.999999999 the
electrons have gained great weight. 70,000 times their rest mass.
Interesting that neutrinos come in different weights. Could some be
going faster or slower? Is it great velocity that changes the features
of microscopic particles? In the micro realm do energies moving close to
'c' give this energy its matter effects? Such as photons acting like a
matter particle. I think so bert PS I think Einstein thought
so since he got his Nobel on this idea,and it was proven by experiment.