CycleChat Ivestigates - Alien Life

[Drago]

Let’s see who is up on the subject. What travels at the speed of light, but is not light?

Superman?

An MP chasing a freebie?

The razor sharp wit of Jimmy Carr?

 

[markemark]

Let’s see who is up on the subject. What travels at the speed of light, but is not light?

Hmm. Neutrinos? Gravitation waves?

 

[Profpointy]

Let’s see who is up on the subject. What travels at the speed of light, but is not light?

Gravitional waves and gluons for starters

I think neutrinos are now considered to have a immeasurably tiny but not zero mass so can't quite travel at lightspeed.

 

[sungod]

Let’s see who is up on the subject. What travels at the speed of light, but is not light?

gravity

 

[Ming the Merciless]

gravity

Give the man a pint

 

[Ming the Merciless]

Gravitional waves and gluons for starters

I think neutrinos are now considered to have a immeasurably tiny but not zero mass so can't quite travel at lightspeed.

And another pint

 

[Ming the Merciless]

Hmm. Neutrinos? Gravitation waves?

The latter, have a half pint

 

[markemark]

The latter, have a half pint

Saw a great lecture at the RI on those many years ago after they detected the first waves.

 

[DRM]

Let’s see who is up on the subject. What travels at the speed of light, but is not light?

a sales rep in a BMW or Audi