Search results
Results from the WOW.Com Content Network
Even today, the German verb funken, literally, "to spark", also means "to send a radio message". The spark gap oscillator was also used in nonradio applications, continuing long after it became obsolete in radio. In the form of the Tesla coil and Oudin coil it was used until the 1940s in the medical field of diathermy for deep body heating.
A superstitious blacksmith and apprentice believe that the luck from the horseshoe will flow toward him or her, their tools, and eventually to whatever project they are working on. [15] Opening an umbrella while indoors [16]: 204, 267 On the Isle of Man, rats are referred to as "longtails" as saying "rat" is considered bad luck. [17] [18]
In 1947, the first commercially produced microwave oven was about 6 feet tall, weighed about 750 lbs, and cost about $5,000 (equivalent to $68,227 in 2023). In 1967 the first more affordable, $495 (equivalent to $4,523 in 2023), and reasonably sized (counter-top) Radarange brand microwave oven was made available for sale, produced by Amana (a ...
The true story is that it was invented utterly by accident one fateful day more than 70 years ago, when a Raytheon engineer named Percy Spencer was testing a military-grade magnetron and suddenly ...
A broadcast of the movie "Three Daughters" on the Playboy Channel was disrupted with a text-only religious message on Sunday, September 6, 1987. [6] The message read, "Thus sayeth the Lord thy God: Remember the Sabbath and keep it holy. Repent, the kingdom of Heaven is at hand." [7] [8] (from the Bible verses Exodus 20:8 and Matthew 4:17).
Putting a non-microwave-safe material in a microwave oven can lead to chemicals leaching into your food (not good) or the melting of the container, which can lead to burns — or, at the very ...
Most explosions can be traced back to a tiny electrostatic discharge, whether it was an unexpected combustible fuel leak invading a known open air sparking device, or an unexpected spark in a known fuel rich environment. The result is the same if oxygen is present and the three criteria of the fire triangle have been combined.
A spark on a spark plug Lightning is a natural example of an electric spark. An electric spark is an abrupt electrical discharge that occurs when a sufficiently high electric field creates an ionized , electrically conductive channel through a normally-insulating medium, often air or other gases or gas mixtures.