The MP3 file format was always encumbered with patents, but as of 2017, the last patent finally expired. Although the...
audio
There’s something inspiring about echos. Who among us hasn’t called out or clapped hands in a large space just to...
Bob Heil has died, according to the company he founded. “Bob fought a valiant, year-long battle with cancer, and passed...
If you enjoy listening to This Week in Amateur Radio, but are pressed for time, we now offer a permanent...
In the latest Physics World Stories podcast, astrophysicist Emma Chapman is in conversation with host Andrew Glester about the history of radio astronomy. It’s...
We’ve all picked up a radio and switched it on, only to hear an awful scratchy noise emitting from the...
Following the recent items in The Times and on BBC Radio 4 PM programme (starts at 51:43) about a rise in the use of...
NASA has released a haunting audio clip of sound waves rippling out of a supermassive black hole, located 250 million light-years...
Heil Sound has changed hands. Founded by Bob Heil, K9EID, and based in Fairview Heights, Illinois, Heil Sound is a manufacturer...
PODCAST: This Week in Amateur Radio Edition #1150 Release Date: March 13, 2021 Here is a summary of the news...