Originally Posted by u-Bob

In the first episode of season 1 of the Sarah Connor Chronicles, Cameron explains that when they travel through time, they can't take anything with them... no clothes, no weapons... nothing. That's why when someone arrives in that big ball of lightning, they are always naked.

So, that makes sense for humans. The 'material' that's alive makes it through and the other material, like their clothes, stays behind.

Now for the experts: Those terminators are machines. How are they able to travel back in time when you can't take any machines with you when you travel through time?