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techxplore
21 小时
Wide-incident-angle wideband radio-wave absorbers boost 5G and beyond 5G applications
has developed wide-incident-angle radio-wave absorbers for mmW and THz applications. The team's research introduces ...
3 小时
on MSN
How to build a home radio telescope to detect clouds of hydrogen in the Milky Way
If I ask you to picture a radio telescope, you probably imagine a large dish pointing to the sky, or even an array of dish ...
GoodNewsNetwork
21 小时
Aging Voyager 1 Restarts a Radio it Hasn’t Used Since 1981–Prompted from 15 Billion ...
Such messages take 23 hours to arrive, but compared to the S-band, the secondary radio transmitter that uses a different ...
Bureau of Meteorology
21 小时
How Radar Works
RADAR stands for RAdio Detecting And Ranging and as indicated by the name ... This is the theory that sound waves will change in pitch when there is a shift in the frequency. An example of this would ...
9 小时
on MSN
The best way to restore and maintain the skin on your neck, according to surgeons and ...
You could spend days doing trials on various devices, professional treatments, and high-tech formulas designed to lift and ...
16 小时
Severe heatwave warning for Queensland
Significant threat to life or property ...
BBC
21 小时
Radio Stoke - Listen Live - BBC Sounds
Stories from Staffordshire & Cheshire on BBC Sounds.
BBC
21 小时
Radio Cambridgeshire - Listen Live - BBC Sounds
Stories from Cambridgeshire on BBC Sounds.
ecr.co.za
15 小时
Google’s voice search adds 15 African languages
Google has expanded Voice Search, Gboard, and Translate to support 15 more African languages, connecting over 300-million ...
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