Цитата от(из) grovberg:

I'm a little confused. The glass on the front is held solely with magnets? Is that all that's preventing the glass from falling out? Seems like it would slide out accidentally at some point doesn't it?

Earlier this year, while shipping my faulty new iMac back to Apple, UPS must have dropped the (original) box pretty violently. Due to a screw-up (one of many) the box came back to me and I could hear the glass pieces rattling about in the box.

So, yes, it is possible for the glass to be dislodged. I suspect, though, that it would take some force - like dropping the iMac - to knock the glass off.