It records sounds that no human ear can hear, like the low roar of a meteor slicing through the upper atmosphere, or the hum an iceberg makes when smacked by an ocean wave.
It has picked up threats invisible to the human eye, such as the haze of radioactive particles that circled the planet after the Fukushima nuclear accident in Japan in 2011.
The engineers who designed the world’s first truly planetary surveillance network two decades ago envisioned it as a way to detect illegal nuclear weapons tests. Today, the nearly completed International Monitoring System is proving adept at tasks its inventors never imagined.
Energy Glance
Gary Raymond had had enough of the lights in Warehouse No. 5. The old metal-halide fixtures cast a sour yellow hue on the stacks of cardboard boxes inside the storage facility. They hummed incessantly and burned out well before their due.
British consumers will now be able to buy solar panels at their local Ikeas.
Wind energy is known to be environmentally friendly, except for one persistent concern: The spinning turbine blades often kill birds, especially raptors such as eagles.
Not long ago, the domestic supply of natural gas was so limited that facilities were constructed in U.S. ports to import natural gas. However, fracking changed the supply situation. Now, the United States produces more natural gas than it can use. As a result, prices have plummeted to approximately $4 per thousand cubic feet.





























