Five hundred meters below the Pacific, off the coast of Los Angeles, a hollow concrete sphere the size of a small house will ...
Germany’s Fraunhofer Institute will deploy its first full-scale StEnSea underwater concrete sphere battery off Long Beach, California, by late 2026. The system stores and releases energy using ...
About 2,000 feet beneath the ocean’s surface, in the dark stillness off the coast of California, a concrete sphere the size of a small house will soon have its moment. Its walls must resist pressures ...
Imagine building a structural concrete sphere one hundred fifty feet in diameter weighing 25 million pounds (25,000 kips) held in position twelve feet off the ground by four concrete columns with ...