Each region of the electromagnetic (EM) spectrum has a range of wavelengths associated with it. Radio waves have the longest wavelengths and gamma rays have the shortest wavelengths.

In the EM spectrum, the red color light has the lowest frequency and longest wavelength of visible light. This means it can be easily noticed by human eyes from a great distance.

Scientists have discovered a perfectly spherical object named Teleios in the Milky Way, emitting only radio signals. This mysterious structure, found using Australia’s ASKAP telescope, defies ...

Electromagnetic spectrum operations (EMSO) have rocketed to prominence across the U.S. military, complete with their own doctrine, billets and centers of excellence. Yet decades before EMSO was ...

Posted: June 13, 2025 | Last updated: June 13, 2025 Visible light is only a small part of the electromagnetic spectrum, but some people see more of it than others. Let's take a look at why.

BOSTON, June 11, 2025 /PRNewswire/ -- VectorWave Corporation today announced $2.5M in seed funding led by prominent dual use investor, J2 Ventures (www.j2vp.com) and Coalition Ventures (www ...

U.S. lawmakers have reopened the Pandora’s box of electromagnetic spectrum allocation debates as they race to craft a final version of a massive budget reconciliation bill. Since early this year ...

Spectrum customers will have access to Hulu content as part of their existing subscription (at the ad-supported tier, so don’t get too excited) later this summer.

The longest-serving man on Mississippi’s death row was executed Wednesday, nearly five decades after he kidnapped and killed a bank loan officer’s wife in a violent ransom scheme.

The Philippines experienced the longest day of 2025 on Saturday, June 21. ''Today is the Summer Solstice—the longest day of the year! It’s when the Sun reaches its northernly point in the sky, giving ...

At 10:42 p.m. Friday night, the sun will reach its most northern point — at an angle 23.5 degrees above the equator known as the Tropic of Cancer. The longest day of the year in the northern ...

PARCHMAN, Miss. (AP) — The longest-serving man on Mississippi’s death row was executed Wednesday, nearly five decades after he kidnapped and killed a bank loan officer’s wife in a violent ...