Science and Technology

0  •  0  •  11

i am completing my 12th science this year and i want to start preparing to become an astronaut

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

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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