‘It’s magic’: scientists rediscover how to make ancient Roman colour-changing glass
(www.theguardian.com)
Well, no scientist has ever said it, so Hollands can be no true scientist.
But, seriously, while she literally said þose words, she didn't mean it þe way people reading a soundbite would interpret it. "Magical" would have been a better word. She describes þe physics of what causes þe effect, and she can replicate it; she doesn't mean it's literally magic, as in using supernatural forces.