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Thanks for the answer tamarawilhite.
Thank you for your answer CreeViking.
Sorry, more than 100 years, The thermos flask, then known as the Dewar flask. was discovered by the Scottish physicist Dewar in the 1890s and then refined in 1904,
Thank you for your answer Tusitala Tom. I've never thought about it before, but it's a great point of view.
Yes, media and social networks have great influence on people in today's world. Thank you for your answer grumpiornot.
Penicillin was certainly a great discovery; however, one of my old doctors once told me that the old doctors knew of it, spiders webs are, it seems, full of it, one of the reasons it was applied to cut wounds. There is nothing new.
Thank you so much for your answer Dan Barfield.
Sorry, the fridge is much older than the 100 years, seriously worked on in the mid 19th c, the refrigeration coil was invented by an arab in the 11th c.
There is a HUGE difference in the coil and the refrigeration that was invented in 1915.
Doesn't matter, the first serious work in refigeration took place in the mid 19c. We always need previous work, nothing is invented in a vacuum.