来自MSN1 个月
This Radar System Can Detect Hidden Moisture in Your Walls
Now, researchers from Oak Ridge National Laboratory (ORNL) have developed a method using microwave radar to monitor the moisture content in wood inside walls. “We know microwave radar shows ...
BBC4 年
The secret Soviet radar hidden in Chernobyl’s shadow
In a remote forest, a few kilometres from the Chernobyl power plant, the huge Duga-2 radar tower stands as relic of Soviet mismanagement. Video by Adrian Hartrick and Dominika Ozynska Follow BBC ...