{"version":"1.0","type":"link","title":"Vacuum - Newikis","description":"A vacuum is a place where there is no matter, not even air. Sound cannot move in a vacuum. No place has a perfect vacuum, because a small number of particles remain, even in outer space.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/d/d0/Vacuum_pump%2C_c._1875_-_Museum_of_Science_and_Industry_%28Chicago%29_-_DSC06395.JPG/1200px-Vacuum_pump%2C_c._1875_-_Museum_of_Science_and_Industry_%28Chicago%29_-_DSC06395.JPG","thumbnail_width":1200,"thumbnail_height":1106}