Let’s explore the amazing world of the electromagnetic spectrum! The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ...

There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays.

Purported benefits include reduced blood pressure and 'detoxification.' A doctor weighs in on the claims and explains the ...

The art of deception, as old as war itself, can garner astonishment when one side’s competence enables it to pull off an ...

The electromagnetic spectrum is a continuous range of wavelengths ... Microwaves can cause internal heating of body cells and tissues. Infrared radiation is felt as heat and causes skin to ...

To us, light is the most obvious form of electromagnetic radiation, yet it makes up just a small portion of the electromagnetic spectrum. We invite you to take this self-guided tour, which covers ...

Physicists at Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that ...

Humans typically blink 4 times per second, equivalent to a frequency of 4 Hz. Blinking at a rate of 1 billion times per second, or 1 GHz, is not possible for a human being. But this is the current ...

Terahertz (THz) waves, which are located between microwaves and infrared light in the electromagnetic spectrum, can pass through many materials without causing damage, making them useful for security ...

Second near-IR waves easily penetrate human tissue; the new dye may be applied in deep tissue therapies and imaging. The second near-IR region of the electromagnetic spectrum (1,000–1,700 ...