I mean, who would design an experiment like that?  I've seen that a couple of times, and I still don't honestly believe that that can truly be happening, but other people have done similar experiments; it checks out.
누가 저런 연구를 설계하겠어요?  저런 걸 몇 번 본 적은 있지만 아직도 실제로 일어날 수 있다는 걸 솔직히 못 믿겠어요. 그렇지만 다른 사람들도 비슷한 실험을 했고