[Silas' world was one full of magic and thus technology fell largely by the wayside. They didn't even have the printing press, yet, let alone means to record and playback events like a movie could.]

So, it's like a capturing a memory? But... you can relive it in perfect detail, at any time. How fascinating. [he's in awe of it, when considering it that way. A little jokingly he'll add]

I should have paid better attention!