Pain_Monster t1_j9rydx8 wrote on February 24, 2023 at 3:11 AM

Reply to comment by Besunmin in when the tube fills with oil it becomes fully invisible by Pedrao_zao

You can do this at home with a Pyrex glass container and mineral oil.

Pain_Monster t1_ismnnei wrote on October 17, 2022 at 2:54 AM

Reply to comment by TocTheEternal in TIL that before the invention of regfrigeration in 1851, ice had to be imported to Australia from Boston, Massachusetts. The ice blocks travelled through the tropics inside ships insulated with timber, straw, peat, and sawdust by stumcm

A lot of people died during 1800s Antarctic exploration. We didn’t have it down to a science yet. It was a perilous journey and many ships got stuck in the ice. Many diseases also flourished during these expeditions so it’s not like they had modern day conveniences or equipment. It was dangerous and arduous.