One particle’s trek suggests that ‘spacetime foam’ doesn’t slow neutrinos
The nearly massless particles appear to travel at virtually the speed of light
![an illustration of a neutron being blasted from a blazar](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/07/071718_EC_neutrino-speed_feat.jpg?fit=860%2C460&ssl=1)
SPEED TEST A neutrino blasted from a bright galaxy known as a blazar (illustrated) along with a flare of light reveals that neutrinos travel at roughly the speed of light.
ESA, NASA, Paolo Padovani/AVO project