Sir James Doille, seorang warga Scotland di Universiti Oxford, mencipta cawan penebat vakum pada tahun 1893. Dia meletakkan satu botol di dalam botol yang lain dan kemudian menarik udara keluar dari celah di tengah-tengah dua botol itu. Oleh kerana vakum tidak menghantar haba, air panas atau sejuk dalam Piala Termos kekal pada suhu asalnya untuk masa yang lama.<\/p>\n
Menjelang 1950-an, jualan Piala Termos telah memuncak, dan perkelahan keluarga, mendaki tepi laut dan berkhemah di alam liar akan membawa cawan Termos dalam tempoh ini.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Sir James Doille, a Scot at Oxford University, invented the vacuum insulation cup in 1893. He put one bottle in the other and then pulled the air out of the gap in the middle of the two bottles. Because the vacuum does not transmit heat, the hot or cold water in the Thermos Cup stays […]<\/p>\n","protected":false},"author":0,"featured_media":289,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"\n