{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/c1b050e2a390422ba5bc1cbb4bc9d566\" frameborder=\"0\" width=\"1086\" height=\"814\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":814,"width":1086,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":814,"thumbnail_width":1086,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/c1b050e2a390422ba5bc1cbb4bc9d566-00001.jpg","duration":116,"title":"SAT Jan 2018_S1_Q26","description":"p:  According to the passage, researchers have identified which mechanism as potentially responsible for the initial attraction between the microscope tip and the salt? \na:  Gravity ;\n Nano-imprinting ;\n Surface tension ;\n Van der Waals interactions ;"}