-
1 Jan 1820 Michael Faraday a londer liquefied a mmonia to cause cooling.
-
prodotype called aspirator invented by Ives Mcgaffy
-
by ancient they discoveredthat microwave oven cooks food in 1946 Dr Pency discovered something unusual he as next to a microwave and his choclate bar that was in his pocket melted.
-
Willam Hoover manufactunig machines.hoover is still on of the markers of vacuum cleaner in the world
-
now a days there are really good vacuum cleaners in the world
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.