aww so sad. last journal of the year. i think...
this weekend i was super busy and didnt have time to take quality pictures so im ending this with a video. in this vid, im at a camp where we had kids from japan with us. this is the end of a intense water balloon toss game. to win the game, you are supposed to extend the time you catch the balloon so that the force it hits your hand is spread out over the time. i didnt want to win so i just beamed my balloon at my partner, which a lot of kids are doing in the aftermath. see how the balloon is travelling in a parabolic motion. wow. the balloons want to keep traveling in the same motion but another forces stops it, mainly a body or the ground, and it pops.
uh. this is all i can think of right now cuz the caffeine is wearing off.
bye bye

vrrrrrrrrmmm

earlier today my brother was watching a playoff game on espn while i was eating lunch. during a commercial he flipped up a channel and ended up watching drag racing. i never really watched a race before because it didnt really look interesting but it actually is because some races are determined by a few miliseconds and some races are determined by a couple of second becasue the cars are all designed differently. this remined me a lot about the mousetrap cars we had to make. the car everyone wants has a low moment of inertia because the race only lasts for a couple of seconds so the wheels start spinning easily. the equation is I=mr2 (that means squared). also, you would want wheels with some traction so that it makes your wheels spin faster initially. i dont know where they stationed the mike but i did get a chance to experience the dopler effect.

i learned that drag racing is kind of fun to watch when you dont have anything to do :)

more of orch coolness

on saturday i played at my last concert EVER. we had to be there at 4:30 even though it started at 7 so i had a lot of down time and explored backstage. when we were going through our dress rehersal, a rather bright red light shined right in my face. i then realized that this is the perfect place to take a physics picture. backstage i found a light with a blue filter. this made a lot of objects look different colors. the other picture is what happened to the as the red light shone. the white wall turned red and the darker parts are the absence of light cuz there were these huge screens separating the stage and backstage.

work work work

i just got a job and ive used so much physics and japanese. i had to grab stock today and i loaded a million supplies onto my cart. i had to push the cart up the ramp, which took a lot of work bc it was so heavy. as i stepped into the elevator, i felt the floor go a little lower, which meant that the cables had more tension in them. then, i had to go down another ramp but this time gravity worked with me and helped me roll the cart. i normally do the closing shift so when the customers are gone and we lock up to clean inside, we usually turn the volume up. tonight i was washing the dishes. by the sink, the noise sounded normal but when i walked towards the door to go to the main room, the music was super loud. the sound waves from the different speakers probably crossed right there, creating overlapping troughs and crests, creating a larger sound.

orch is cool

This week in orchestra, when the class was tuning their instruments, i stopped early because i finished tuning. i put my instrument down in rest position with my left hand lightly touching the strings on the fingerboard. i noticed that my d string was vibrating slightly. why? because of resonance of course. someone else's d string was the same or near my strings natural frequency, which caused it to oscillate.

hidden substation

this weekend, i was driving home one day and i magically found this power substation, at least that's what i think it is. i totally did not see this before. i was like where in the world did that come from? so i walked back to investigate this place and took a picture. we learned in class that the electricity from the magnetic field feeling a change when a magnet is moved through a coil of wire, probably rather large ones, is passed from the power plant to the transmission substation to the transmission lines and then to this attractive piece of machinery. These then pass it through the power lines, where the voltage goes down so that it is able to perform when we use electricity.

pancakes

last weekend i worked at a pancake fundraiser for key club. i was there from 5 am to 12. ridiculous i know. anyways, me, my friend and this weird guy, chang, from kaiser were in charge of making pancake batter. we poured the cake batter and water into this rather large mixing bowl. there was a super big mixer spatula thing that rotated which had 4 levels of intensity. the weird dude liked to change the speed of the mixer and he did that quite often. one time when he put it on level 4 by accident, the batter flew off tangent and got the sides all messy. i also did a lot of work by pushing the heavy bucket of batter to the station that cooked the pancakes.