Simple math would have made you realize that Bill Gates was trolling you. You would need a 1thousand mile wide shield half way between the Earth and the Sun, too block 1% of the Sun.
And this statement is only partially true. Obviously you could block the Sun if the light barrier was closer but it would still have too be really freaking big.
lols i was thinking the same. I said here years ago, argue with your own sock to make it seem real...it was a joke..never knew some people would actually do it lol