You must have heard about asteroids coming close to Earth and about to collide. Looks like a fairy tale. But this is true. February 4, 2018 which is less than a week from now will witness this when asteroid called “2002 AJ129” will zip past Earth at a speed of 1 lakh kmph and is designated potentially hazardous by NASA scientists. This is potentially hazardous because the asteroid which is 1.1 Km wide will fly about 42 lakhs Km away from Earth which is considered very close in space terms….
Have you heard Vertical Take Off and Landing (VTOL) technology? This is the future of planes, helicopters and fighter jets that can land and take off vertically. This is just like standing and sitting on a fixed place. This is especially useful where runways are not very long or where airports and helipads are built in hilly areas like Hong Kong, Bhutan and few other countries. There is very little space in these areas and planes have to hover in the sky for a long time before final take off….