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A blog by Guest in General
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Entries in this blog

Guest

Why am I in AP-C Physics?

Recently I've been thinking: Do i really want to take C in high school? So far i feel completely overwhelmed but have been waiting for that "ah-HA!" moment that seems to be drifting away. I think of the students that are taking ap econ, calc BC and physics C, and they seem to be doing just fine, so why can't i seem to handle ap econ, calc AB and physics C? I would feel quite frankly, like a lame quitter if i dropped out, and even the term "dropping out" has, "you fail" written all over it to me. But at the same time I'm afraid that i've overloaded myself and all my grades will suffer from it especially when the material gets more difficult. And the reason i'm doubting my choice to take C is that out of all my AP's, im most confused in this one. Also I researched and most the colleges i'm applying to wont take 2 ap physics credits. Also the curriculum of the degree i want (5 year professional degree in architecture) in the schools i have in mind wont even let me take physics 101 until my sophomore year (Syracuse), or don't require me to take it at all (Cornell). Which i thought was strange but all electives say "free in department elective" or "free out of department elective." But if i do have to take it again in college, are the benefits of taking it now worth all the stress this year? Additionally, if i end up using it as an actual architect which i assume i will, I would rather take it closer to when i'll actually use it so i remember the material. In short, I really don't want to be taking this course *at this time.* Don't get me wrong, i'm interested in the concepts and material, I just don't know if i can handle it right now with my other aps, the truck load of college stuff we have to take care of, and general hygiene.

sincerely

Stressed Out / Worried :banghead)

Guest

The Sonic Screwdriver

The sonic screwdriver used in the British sci-fi TV series Doctor Who could become a real-life tool, capable of moving and manipulating objects using only ultrasonic sound waves. Bruce Drinkwater, an ultrasonics engineer at the University of Bristol states “We have developed a device that allows us to use ultrasonic forces to move small objects like biological cells around to sort them or to assemble them.” Tiny crystals are made to vibrate by passing an electrical current through them, producing an ultrasonic shock wave in the air around them. This shock wave generates a force that can be used to push the cells. In future, by increasing the size of the shock wave, such a device could be used to undo screws, assemble electronics, or put together delicate components.

And that is why the sonic screwdriver can actually exist. :)

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