Gemini* and Gopher

• Personal/Opinions

  • New home

    So I might be moving to a new home soon, honestly not sure how I feel about that. There's a lot of things that could go wrong.

  • Social times

    Talking to people is fun. Loud music and drunk people aren't fun, meanwhile. I dipped out of my company's anniversary party early because of that. The first two hours were nice, talking smack with my colleagues over dinner, but once the blood alcohol levels started rising and the music growing louder, it was time for me to leave.

    I've got my calendar quite full of events on every day off I have. Saturday and Sunday are game days with two groups of friends, the first hosted at my place, and the other held in another city. I'm especially excited for Sunday, I'll be seeing some of the friends I see less often. I hope I could see them more.

  • Today I met...

    …an old friend of mine. We lived in the same village, went to the same school, same bus…until university; and then life happens.

    It was more than ten years since we spoke last time, maybe twenty; and the last contact was a message with 3 or 4 years ago, and that was all.

• Science

  • Analog: Force/Drag Simulation

    I recently setup a simulation that involves modeling the movement of a projectile in a straight line, taking into account simply the force from the engine (for example, rocket output) and the air drag. Air (or fluid) drag increases proportionally to the square of velocity, meaning air drag increases dramatically the faster you are going. The link below is a screenshot of simulation run results, with engine force on the top and the velocity of the projectile on the bottom. Because the signals are inverted, you must understand that a lower signal value means a higher simulation value, i.e., a lower line means more force or more velocity.