Category: History

Amelia Earhart’s lost evidence might include info from Kentuckians

Two Kentuckians have said they know first-hand what happened to Amelia Earhart — and their opinions are wildly different. The mysterious disappearance of the American aviator is front and center once again this summer with a much talked-about History Channel documentary. There’s new evidence related to the theory that she didn’t die when she vanished […]

UK Museum Wants to Hear from Those Who Remember Sputnik Launch

As part of an effort to tell the story of the International Geophysical Year (IGY) 60 years ago, a Cambridge, England, museum wants to hear from anyone who remembers the Soviet Union’s launch of Sputnik 1 on October 4, 1957. Many radio amateurs and shortwave listeners (SWLs) of the era were among those thrilled to […]

via HACKADAY: Do You Know Oleg Losev? An Engineer Tragically Ahead of His Time

It is so often the case with a particular technological advance, that it will be invented almost simultaneously by more than one engineer or scientist. People seem to like a convenient tale of a single inventor, so one such person is remembered while the work of all the others who trod the same path is […]

via HACKADAY: Origin of Wireless Security: the Marconi Radio Hack of 1903

The place is the historic lecture theater of the Royal Institution in London. The date is the 4th of June 1903, and the inventor, Guglielmo Marconi, is about to demonstrate his new wireless system, which he claims can securely send messages over a long distance, without interference by tuning the signal. The inventor himself was […]

via HACKADAY: More Power: Powel Crosley and the Cincinnati Flamethrower

We tend to think that there was a time in America when invention was a solo game. The picture of the lone entrepreneur struggling against the odds to invent the next big thing is an enduring theme, if a bit inaccurate and romanticized. Certainly many great inventions came from independent inventors, but the truth is […]

Communications — what was good, what isn’t (Pennsylvania)

Sometime in 1936, a person (or a family) likely somewhere in this area went to the local appliance store and bought a floor model Sears Roebuck, Chicago IL, Silvertone console radio. It’s a 10-tube model, the kind of radio that was the centerpiece of most Depression-era living rooms. I don’t know how many owners it […]

Seriously Collecting Broadcasting’s Big Iron

Some of us collect postage stamps; others coins or perhaps matchbooks. There are a few individuals who collect vacuum tubes. However, one Ohioan has set a somewhat loftier goal: amassing a collection of broadcast-type radio transmitters. Gerry Moersdorf (KC8ZUL) began rounding up such transmitters more than 15 years ago, uprooting them from their former workspaces […]

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