Tuesday, August 16, 2011

My first experience with a photogate sensor and a force sensor(physics lab)

Today was the first physics laboratory session of my college life......
Yet the thing which attracted me more to publish my post was the joy of using new electronic devices like the photogate sensors and force sensors.
These small, compact yet highly accurate devices are able to ease various problems regarding precision and accuracy faced by scientists and physicists. This draws my attention to one of the most productive targets of science and technology which is to lessen people's burden and make their lives easier along with driving a nation to unparalleled progress in the long run. This is why engineering and technology, though not purely science but a highly esteemed part of it, is an extremely important ingredient in the recipe for a self-reliant nation which can BELIEVE in itself.
For example, the photogate sensor used in our laboratory works on the principle of an object cutting a weak laser beam and the sense of impact felt by a body when it touches the falling object. Though I just measured g with it, the device had the power to propel various experiments regarding velocity, uniform acceleration and many more things.
The force sensor too is a wonderful device for a new undergraduate student like me who has not yet explored the real world of science. It uses concepts of electronics and wonderfully combines it with simple mechanics(the statement is quite ambiguous, as actually electronics is the acronym for "electron mechanics") to measure a quantity like force, which may seem trivial to students who have not used a force sensor. Still the construction and the principles and results of physics applied behind such a sensor could be really a very enrapturing and intriguing thing(obviously for students of my age, or mental capability rather, as the undergraduate students of IISc whom I have seen and noticed are far more intellectual than I am at this stage, thus intimidating in spite of being a source of newer and newer information and ideas), compelling us and challenging us for entering into this beautiful and vast world of science.  

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