FM radio didn't just play music — it rewired how a generation listened.

A compact aperture-adjustable antenna developed by researchers at Science Tokyo could improve high-speed wireless communication across the wide 5G millimeter-wave frequency bands without increasing ...

Lower sideband fLSB = fc - fm Difference frequency Shown in kHz Upper sideband fUSB = fc + fm Sum frequency Shown in kHz Bandwidth BW = 2 × fm Total AM channel width For single highest modulating tone ...

Nautel’s NX1 and NX2.5 AM transmitters will ship this fall. Nautel will be expanding its NX series of AM transmitters into the low-power market, with two models that support both analog and digital ...

🛍️ Amazon Prime Day: The best deals chosen by our editors 🛍️ By Andrew Paul Published Mar 3, 2026 2:33 PM EST Add Popular Science (opens in a new tab) More information Adding us as a Preferred ...

I sort of hoped Brain.fm was selling snake oil, but I liked it more than I expected to. Sometimes a life hack works when I wish it didn't. I, for example, am vulnerable to depression and anxiety. I ...

Fundamental to all wireless communications is modulation, the process of impressing the data to be transmitted on the radio carrier. Most wireless transmissions today are digital, and with the limited ...

Communication systems form the backbone of modern technology, enabling the transfer of information across various platforms. At the heart of these systems lies modulation, a technique used to encode ...

Amplitude modulation (AM) was first introduced to enable long-range wireless audio communication, representing a major advancement over wireless telegraphy using spark-gap transmitters. Understanding ...

With more than 181.5 billion tons of wood produced globally each year, a new method could revolutionize how we build sustainably. By infusing red oak with ferrihydrite using a simple, low-cost process ...

A lament about the demise of AM radio has been rising in the halls of Congress. Several automakers, most notably Tesla and Ford, have decided to stop putting AM radios in their electric vehicles. They ...