60 ฤดูกาล
1162 ตอน
Horizon - Season 33 Episode 6
Recounts the history of scientific attempts from Marconi onwards to understand the atmospheric layer, known as the ionosphere. Discusses interest shown by the US Military in the region which has led to the establishment of HAARP (High Altitude Auroral Research Project) which will beam energy directly into the ionosphere.
- ปี: 2024
- ประเทศ: United Kingdom
- ประเภท: Documentary
- สตูดิโอ: BBC Two
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