Many coastal areas and harbors go almost unprotected against acts of terror. Soon a new sensor system relying on signal echoes from cell towers can quickly detect even the smallest of attack boats. This mobile radio passive radar can also help airplanes avoid colliding with wind turbines.
SOURCE: Wind Energy News — ScienceDaily – Read entire story here.
adminEditor’s note: Grist is hosting a free virtual event on January 9, 2025, at 2 pm EST / 11 am PST to analyze the progress and challenges seen at the…
adminThe vision The tarp shade snaps and flutters in the breeze above the harvest volunteers. The CSA is bountiful this spring — crunchy lettuce, sweet strawberries, and even some cherries…
