› added 6 years ago

859

In the vacuum of space, spacecrafts have to achieve propulsion and steering through more reactive means.

Read more sciencefocus.com

4kg95 TIL The chess game notation standard, PGN, has a specific game termination tag, "death", in the case that the game was terminated by one of the players dying.
x6jNB TIL there are five mass extinctions that each destroying 75-95% of all species. Currently we are on the sixth, because of human activities.
x64l0 TIL In 1962, a "laughter epidemic" broke out in Tanzania and spreading to over 1,000 people. This bizarre phenomenon even led to the temporary closure of 14 schools.
6Evx8 TIL The reason airline food tastes "bad" to many people is that conditions on an airplane, including low air pressure, dry air, and background noise, affect one's senses of smell and taste.
j6xgX TIL 66–year old 'Steel Grandpa' Gustaf Håkansson Pirated Sweden’s Toughest Bike Race and won by a day, having tea with the King when the runner up finished