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Everything posted by LHACK4142
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I've been investigating photography a little but am confused on how lenses, and focal lengths, really work. This question has been with me since I was a little kid playing with magnifying glasses, actually. So, many pictures show light entering a lens as straight lines: But if only light rays parallel to the lens could enter, you would only be able to see an area equal to that of the lens, right? Since you can see the entire sun, and not just a lens-sized portion of it (pictured), through a magnifying glass, this type of diagram must be incorrect. Other images (below) show straight lines through the lens, which kinda confuses me; don't lenses specifically bend light? And what are the lenses in these pictures supposed to be doing? So, what exactly is a lens doing, and where are the light rays coming from, how are they being manipulated, and how are they ended up?
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"SR-71, half off!" Also, this thing looks reasonably cool... ... It's called the NASA Mini-sniffer.
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Dont think so. The less imagination you have the more kits you buy ¯\_(ツ)_/¯
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totm aug 2023 What funny/interesting thing happened in your life today?
LHACK4142 replied to Ultimate Steve's topic in The Lounge
I made panettone and am making ciabatta bread for Christmas. Panettone is a labor of love if there ever was one- I even thought I broke our stand mixer and pored through the dough looking for a tiny piece of plastic. To have it for breakfast, you have to start it the day before and wake up at like 5 AM. It was intense. Now I'm making the ciabatta. It is SO MUCH EASIER. Ahhhhhh....... -
totm aug 2023 What funny/interesting thing happened in your life today?
LHACK4142 replied to Ultimate Steve's topic in The Lounge
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i just made one of the most stupid mistakes of my life, up there with writing calculator syntax on ap calc despite being explicitly told not to. i procrastinated my final assignment till it was due in an hour (i had a first draft so i thought the changes would be small) but i couldnt finish it till 00:15 (it was due at midnight) and now it looks like i might get a c. do you think the professor will have mercy? holy **** i am such a numskull
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totm aug 2023 What funny/interesting thing happened in your life today?
LHACK4142 replied to Ultimate Steve's topic in The Lounge
My team's robot completely crapped out... the night before competition. "Anything that can go wrong will go wrong, and at the worst possible time". Thankfully, we fixed it just in time with some Boy Scout torture. (The robot uses lots of string and knots, which Boy Scouts are great at). Here's hoping the fixes will work through comp. -
For the good of all of us except the ones who are dead...
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totm aug 2023 What funny/interesting thing happened in your life today?
LHACK4142 replied to Ultimate Steve's topic in The Lounge
My team's robot has blood on it, so now we can say it's made with blood, sweat, and tears. Nobody was hurt, I just got a small cut, but it's fun to tell people our robot has blood on it. -
start one and show off to the college admissions people >:)
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"Feed [friend's name] to the 7-year-olds!" - FLL Kid
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Woke up today wondering why the heck it was so dark. Eclipses are really cool. Too bad I'm not in the right place to get a full eclipse.
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Some kind of super fire hydrant?
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10my height in inches"
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You can like 25 posts per day- that message means that you've reached the limit and therefore cannot like more posts that day. The best forum to ask this type of question is probably the Kerbal Network forum, which has to do with all KSP-related websites and such.
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Easy / Straightforward Video Editing Software?
LHACK4142 replied to JoeSchmuckatelli's topic in The Lounge
I swear by Shotcut. It does in fact crash maybe once or twice per project for me, but since I save often I don't mind. -
Aha! Ein Click!
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When you write an n-body simulation... then dream about it
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totm aug 2023 What funny/interesting thing happened in your life today?
LHACK4142 replied to Ultimate Steve's topic in The Lounge
Listened to the 9th Feynman lecture- I KNOW HOW KSP WORKS NOW!!! UNLIMITED POWER!!!! -
For Questions That Don't Merit Their Own Thread
LHACK4142 replied to Skyler4856's topic in Science & Spaceflight
I'm listening to the Feynman lectures for the first time, and in his ninth lecture he talks about calculating the positions of bodies in a solar system accounting for all the other bodies (which sounds a lot like n-body physics). He says that a computer could calculate a revolution of Jupiter, with all the perturbations and everything, in just 2 minutes. This was in the 60's- how is it that there's any argument over whether our computers today could easily do N-body physics in real time for KSP?