How a Crystal Radio Works
12:58
YouTubeRimstarOrg
How a Crystal Radio Works
Full details of how a crystal radio works, right down to the electron level. We start with a demonstration of all the parts in action, showing how the radio waves interact with the antenna and antenna coil to produce a fluctuating magnetic field, which induces electron flow in the tuning coil, which works with the tuning capacitor, which is ...
1.3M viewsAug 30, 2012
Arecibo Observatory Collapse
New dramatic drone footage shows the moment support cables holding up the Arecibo Observatory in Puerto Rico snapped, sending the famous observatory that had been in operation since the 1960s crashing to the ground. https://abcn.ws/2VxDuBP | ABC News
1:39
New dramatic drone footage shows the moment support cables holding up the Arecibo Observatory in Puerto Rico snapped, sending the famous observatory that had been in operation since the 1960s crashing to the ground. https://abcn.ws/2VxDuBP | ABC News
FacebookABC News
207.9K viewsDec 3, 2020
Arecibo Observatory Destruction Captured By Drone And Control Room
1:38
Arecibo Observatory Destruction Captured By Drone And Control Room
Microsoft NewsSpace
1 month ago
• Collapse of the Arecibo Radio Telescope Instrument Platform, Ending 57-year Run By Eric Hand 1.12.2020 VIDEO: Arecibo Observatory staff believe one of the remaining suspension cables broke on 1 December, sending the 900-ton instrument platform crashing into the dish. [D.A.S. DRONES Perez] • The Arecibo Observatory is gone. Its 900-ton instrument platform, suspended above a dish in the karst hills of Puerto Rico, collapsed this morning, at about 8 a.m. local time, says Ramon Lugo, director of t
• Collapse of the Arecibo Radio Telescope Instrument Platform, Ending 57-year Run By Eric Hand 1.12.2020 VIDEO: Arecibo Observatory staff believe one of the remaining suspension cables broke on 1 December, sending the 900-ton instrument platform crashing into the dish. [D.A.S. DRONES Perez] • The Arecibo Observatory is gone. Its 900-ton instrument platform, suspended above a dish in the karst hills of Puerto Rico, collapsed this morning, at about 8 a.m. local time, says Ramon Lugo, director of t
FacebookAstronomy Nation
15.4K viewsDec 1, 2020
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Arecibo Observatory History
In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74’s staff, led by Frank Drake, and with the help of the astronomer and famed science communicator Carl Sagan. It contained information about the human race and was intended to be our intergalactic calling card. Now is your turn to make the #NewAreciboMessage Make history here: www.areciboobservatory.org/challenge/ | The Arecibo Obs
4:08
In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74’s staff, led by Frank Drake, and with the help of the astronomer and famed science communicator Carl Sagan. It contained information about the human race and was intended to be our intergalactic calling card. Now is your turn to make the #NewAreciboMessage Make history here: www.areciboobservatory.org/challenge/ | The Arecibo Obs
FacebookThe Arecibo Observatory
2.6K viewsNov 16, 2018
362K views · 2.5K reactions | This shocking footage shows the moment a famous telescope in Puerto Rico collapsed — here’s how it helped scientists make important contributions to astronomy when it was still standing | NowThis | Facebook
3:51
362K views · 2.5K reactions | This shocking footage shows the moment a famous telescope in Puerto Rico collapsed — here’s how it helped scientists make important contributions to astronomy when it was still standing | NowThis | Facebook
FacebookNowThis
362.1K views1 week ago
NSF Arecibo Observatory Historic District
NSF Arecibo Observatory Historic District
nsf.gov
7 months ago