Why does light travel at the speed it does? | Notes and queries
by Guardian Staff from on (#3R4KC)
The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific concepts
Why does light travel at the speed it does? Is it related to the age, dimensions or oscillation of the universe? Do we know if this speed has been constant since the big bang?
Peter Lowe, Newcastle upon Tyne
Continue reading...