17 Questions.
future technologies
85.37 q
Science and Technology
0 • 0 • 11
i am completing my 12th science this year and i want to start preparing to become an astronaut
33.0 q
Science and Technology
2 • 0 • 315
i know its impossible to build the same gun which can pull me from ground to a 10 storey high building, but a simple one which can just throw the grappelin
524.58 q