&gt; <i>play Kerbal Space Program for a few days. Suddenly, you get rocket science.</i><p>Seriously.<p>With my kids (10 and 13), we watch all sorts of videos on youtube - about space exploration, rockets, etc. I talk to them about orbital maneuvers, things like plane change, Hohmann transfer, and when they don&#x27;t get it, all I have to say is &quot;remember KSP?&quot; And they&#x27;re like &quot;oh, yeah, that makes sense&quot;.