Are there alternatives to CMB? Will we ever build a space elevator? How can we see radiation coming from a black hole when nothing can escape it? Can you heat something with gravitational waves? Why JWST can look lame to the laymen? All this and more in this week's Q&A with Fraser Cain.
Watch the video here (with no ads) or on YouTube: https://youtu.be/z49OlAynODM
You can watch the full, unedited live stream here: https://youtu.be/IoMXtYce3_U