X Rays BTEC students also need to know about the production and control of X-rays. http://en.wikipedia.org/wiki/X-ray http://en.wikipedia.org/wiki/Radiography X-ray radiation is a form of electromagnetic radiation (photons). Most X-rays have a wavelength ranging from 0.01 to 10 nanometres, corresponding to frequencies in the range 30 petahertz to 30 exahertz (3 × E16 Hz to 3 × […]
Read more "Year 13 BTEC trip to Northwick Park Hospital"What is radioactivity? The BTEC students need to understand the basics of radioactivity before they investigate how it can be used in medicine. In order to understand what radioactivity is we need to know what an atom looks like. The simplest model is a nucleus consisting of positive protons and negative neutrons with negative electrons […]
Read more "Year 13 BTEC trip to Northwick Park Hospital"Ultrasound scanning The BTEC students need to know about the production of ultrasound and the basic principles of pulse echo technique, reflection and refraction, interaction with tissue, scattering and absorption; intensity measurement in decibels; specific acoustic impedance; sonar principle and ultrasonic scanning e.g. A-scan, B-scan and M-scan; Doppler effect; measurement of blood flow using Doppler […]
Read more "Year 13 BTEC trip to Northwick Park Hospital"Year 13 BTEC Applied Science students went to Northwick Park hospital to see the equipment used for all the different types of scans. This was really interesting and helpful for our assignment because we got an insight into how the equipment works and a real life point of view of how well they work and […]
Read more "Year 13 BTEC trip to Northwick Park Hospital"Rosetta is a robotic space probe built and launched by the European Space Agency whose mission is to investigate comet 67P/Churyumov-Gerasimenko. It was launched on the 2nd March 2004 and on the 12th of November 2014 the Philae lander was detached from Rosetta and successfully landed on the comet. Unfortunately the initial impact was softer […]
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