It is a small region of the brain and many studies have shown that it produces two types of waves: theta and beta. The theta ...

Complete the table to show a medical use, benefits and risk of using these waves to scan patients. Two types of waves are longitudinal and transverse. The particles in these waves move in ...

Researchers examining seismic data recorded on Mars say the have found evidence supporting the presence of liquid water deep ...

In 1959 two Cornell University physicists described how we might ... The only difference between these types of electromagnetic waves is the length or the wave or the “wavelength.” Since the waves all ...

When the waves cross the boundary between two different layers ... It is the slowest of the three types of seismic wave. Surface waves usually have larger amplitude than the other waves and ...