The four dimensions are time and the 3D spatial world.
PS: I didn't stop posting. I just took one week of vacation. I will come back with posting next week :)
The four dimensions are time and the 3D spatial world.
PS: I didn't stop posting. I just took one week of vacation. I will come back with posting next week :)
RE: A new doubly-charmed particle has been discovered at the LHC