SLAC made a good minute-long video [1] explaining plasma wakefield acceleration. Calling it a &quot;mini-accelerator&quot; isn&#x27;t, in my view, a fair description.<p>[1] <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=KjoH1ZZrAik" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=KjoH1ZZrAik</a>