Masks on airplanes generate oxygen by triggering a chemical reaction. If pressure in the cabin is disturbed and masks drop, tugging the mask causes a firing pin to ignite a small explosion in an ‘O2 candle’ where Sodium Chlorate and Potassium Percholorate combine to make Oxygen gas.


The Seiryu Miharashi station in Japan is a train station with no entrances or exits, no roads or paths to connect it, all it serves is a platform for the train passengers to step out and admire the valley


That there were only 66 years between the first ever powered flight and the moon landing. The Wright Brothers successfully flew a plane for the first time in 1903; in 1969 Neil Armstrong was the first man on the moon.


Introduction of iodized salt in 1920s increased national IQ average by 3.5 points in a decade and in certain states which had high levels of iodine deficiency previously, saw avg IQ increase as much as 15 points within the first decade.