Geniuses: videos of Kelvin Doe, 15, from Sierra Leone and a 9 year old from the US

Lounge
1

Was watching some videos an got into watching these 2. About super smart kids one from a town in Africa who is 15 and another kid from the US who is 9 years old.

Kelvin Doe, engineering wiz living in Sierra Leone Africa

9 Year old Genius