I have been getting into electronics a fair bit in the last year. I always find Dave jones from EEVblog entertaining.<p>Dave does some simple back of the napkin calculations in this video to pull apart the claims of [reflectorbital](<a href="https://www.reflectorbital.com/" rel="nofollow">https://www.reflectorbital.com/</a>)<p>I am just sitting here amazed that this idea got past the idea-stage for the startup.<p>I was entertained by the video - I think you might be too.