One way is to take the air molecules away from the spacecraft structure facing the direction of travel and put those air molecules behind the structure in the space just vacated thus preventing pressure waves from happening. This has to happen very fast, as fast as the spacecraft wants to travel. How do [...]
Posts on ‘December 15th, 2007’
An appeal for you to use proper English grammar…
I don’t pretend to be an expert on English grammar, but I try to follow the rules. Here are 6 quotes from random comments in YouTube. I chose these at random and I have to say that based on the sample of videos I have watched (and that is a lot) that this [...]
Karate 19
We sure didn’t feel like going to class this morning. I am glad I went, as usual. I am a bit disappointed that we did not review our katas 7 and 8 but instead we learned the black belt kata Ju Roku. When I say “learned” I mean we muddled through it [...]