The big picture
The big picture

Electromagnetic waves are transverse waves that transfer energy by oscillating electric and magnetic fields. In a vacuum, all of them travel at about 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s.
The big picture
The big picture

Electromagnetic waves are transverse waves that transfer energy by oscillating electric and magnetic fields. In a vacuum, all of them travel at about 3.0×108 m/s3.0 \times 10^8 \text{ m/s}3.0×108 m/s.