03/05/2024

Energy & Green Tech

Tidal energy is coming to Alaska. But how much?

Much of Alaska is empty—of humans, at least. Vast tundra and forest separate cities and villages, dividing the state into more than 150 isolated power grids. The largest of these grids, known as the Railbelt, carries 70% ...

Security

Israel builds 'cyber dome' against Iran's hackers

Israel's Iron Dome defense system has long shielded it from incoming rockets. Now it is building a "cyber dome" to defend against online attacks, especially from arch foe Iran.