Favorite YouTube video week 29

My favorite YouTube-video for this week is a video about the worlds smallest V12 engine. How this gay manage to do this is amazing for me, but I'm very fascinated about it.
If I could, I would like to make one of does my self. But i know it is impossible... 

My collection of retro computers

I have a small collection of retro computers, and som game consols and now I wil start to give you some insight in what I have.

Do not blow into your NES-cartridges

It has "always" been common to blow into the cartridges when there as been problem with game not starting. It's usualy effective just then, but it's not a good thing to do after some time.

Child safe iphone

When I bought a new iPhone I was wondering what to do with the old 3G.
Then I thought I could give it to my 2 year old son.
After a fresh jailbreak and some tweaks it was a child safe phone, with no posibilities to ring or send sms. So no emergancy calls either.