Author Topic: Western civilization = sustainable evil  (Read 6410 times)


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Re: Western civilization = sustainable evil
« on: August 03, 2020, 11:15:33 pm »

The sticker, which appeared to be a President Trump campaign sticker, was found on the tracking collar of a bear in North Asheville, according to a Facebook post from the group.

"Bears are NOT Billboards," the post read, in part. The post said it was the second time a bear was found with a political sticker in Asheville in a year.

"Whoever put these political stickers on these bears is cruel and heartless," said the post. "HAB and our followers hope to stop and expose you."

Jody Williams, the group's founder, said this isn't political. He said it's wrong to put anything on a bear, regardless of what's on the sticker.

"It's just so wrong," he said. "Our wildlife is just so beautiful around here and I just can't imagine somebody doing harm to it like that, it's absolutely ridiculous."

So, which civilization invented telemetry?

Telemetering information over wire had its origins in the 19th century. One of the first data-transmission circuits was developed in 1845 between the Russian Tsar's Winter Palace and army headquarters. In 1874, French engineers built a system of weather and snow-depth sensors on Mont Blanc that transmitted real-time information to Paris. In 1901 the American inventor C. Michalke patented the selsyn, a circuit for sending synchronized rotation information over a distance. In 1906 a set of seismic stations were built with telemetering to the Pulkovo Observatory in Russia. In 1912, Commonwealth Edison developed a system of telemetry to monitor electrical loads on its power grid. The Panama Canal (completed 19131914) used extensive telemetry systems to monitor locks and water levels.[4]

Wireless telemetry made early appearances in the radiosonde, developed concurrently in 1930 by Robert Bureau in France and Pavel Molchanov in Russia. Molchanov's system modulated temperature and pressure measurements by converting them to wireless Morse code. The German V-2 rocket used a system of primitive multiplexed radio signals called "Messina" to report four rocket parameters, but it was so unreliable that Wernher von Braun once claimed it was more useful to watch the rocket through binoculars. In the US and the USSR, the Messina system was quickly replaced with better systems (in both cases, based on pulse-position modulation).[5]

Early Soviet missile and space telemetry systems which were developed in the late 1940s used either pulse-position modulation (e.g., the Tral telemetry system developed by OKB-MEI) or pulse-duration modulation (e.g., the RTS-5 system developed by NII-885). In the United States, early work employed similar systems, but were later replaced by pulse-code modulation (PCM) (for example, in the Mars probe Mariner 4). Later Soviet interplanetary probes used redundant radio systems, transmitting telemetry by PCM on a decimeter band and PPM on a centimeter band.[6]

Same one as usual.....