For decades, scientists have observed the cosmos with data-linked-post=”2650279068″ href=”https://spectrum.ieee.org/new-antenna-uses-saltwater-to-achieve-multiple-beamsteering-states” target=”_blank”>radio antennas to visualize the dark, distant regions of the universe. This includes the gas and dust of the interstellar medium, planet-forming disks, and objects that cannot be observed in visible light. In this field, the data-linked-post=”2650269106″ href=”https://spectrum.ieee.org/alma-makes-a-highprofile-debut” target=”_blank”>Atacama Large Millimeter/Submillimeter Array (ALMA) in Chile stands out as one of the world’s most powerful radio telescopes. Using its 66 parabolic antennas, ALMA observes the millimeter and sub-millimeter radiation emitted by…
