As I said, the burden of proof lies with you because it is you who has extraordinary claims but cannot present the evidence for them. The laser story you proclaim is evidence is evidence you haven't done any research on the subject whats over. I'll show you a real experiment in a format you are able to consume, video:

For more please check:

If you are still saying the earth is flat, you are lying or willfully ignorant. Either way you are, saying the earth is flat is untruthful and deserving of a flag by my standards.