Share this on WhatsApp Originally published in June 1994 Credit: Scientific American Advertisement “One of the most persistent enemies of safe flying—formation of ice on propellers of planes in flight—is now being overcome by a new electrically heated propeller ‘skin’ that enables the propeller surface to warm up like a sick-bed heating pad. The skin […]
Share this on WhatsApp Whenever I smell the pages of a brand new book, I am reminded of all the late night reading I did as a kid. I can even feel the soft fabric on the arms of my favorite reading chair and sense the quiet of a house where everyone else is asleep. […]
Share this on WhatsApp As of December 4, 2019, 565 people from 41 countries have gone into space. That’s it. 565 out of more than 7 billion of us currently on this planet. And that’s using the definition of space travel to include any flight over 62 miles or about 100 kilometers. Many of these space travelers […]
