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Direct linkMercer, Conan; Leech, Donal – Journal of Chemical Education, 2018
This paper presents a system for remote monitoring of turbidity data that can detect light intensity and temperature using a microcontroller and the Internet of Things. The system comprises a light dependent resistor and infrared temperature sensor interfaced with an ESP-12E microcontroller, a programmable data acquisition platform; together these…
Descriptors: Science Instruction, Chemistry, Light, Heat
Silva, M. C.; Vilela, D. C.; Migoto, V. G.; Gomes, M. P.; Martin, I. M.; Germano, J. S. E. – Physics Education, 2017
Ionizing radiation one of modern physics experimental teaching in colleges and high school can be easily implemented today due to low coasts of detectors and also electronic circuits and data acquisition interfaces. First it is interesting to show to young's students what is ionizing radiation and from where they appears near ground level? How it…
Descriptors: Foreign Countries, High Schools, Secondary School Science, Science Instruction
Zou, Xueli; Dietz, Eric; McGuire, Trevor; Fox, Louise; Norris, Tiara; Diamond, Brendan; Chavez, Ricardo; Cheng, Stephen – Physics Teacher, 2008
Since Robert Millikan discovered the quantization of electric charge and measured its fundamental value over 90 years ago, his oil-drop experiment has become essential in physics laboratory classes at both the high school and college level. As physics instructors, however, many of us have used the traditional setup and experienced the tedium of…
Descriptors: Photography, Physics, Laboratory Equipment, Motion
Maroto, J. A.; Perez-Munuzuri, V.; Romero-Cano, M. S. – European Journal of Physics, 2007
We describe experiments on Benard-Marangoni convection which permit a useful understanding of the main concepts involved in this phenomenon such as, for example, Benard cells, aspect ratio, Rayleigh and Marangoni numbers, Crispation number and critical conditions. In spite of the complexity of convection theory, we carry out a simple and…
Descriptors: Undergraduate Students, Thermodynamics, Internet, Laboratory Experiments
Guo, Jing; Kettler, David J.; Al-Dahhan, Muthanna – Chemical Engineering Education, 2007
A common undergraduate chemical engineering experiment has been modified for on-line operation over the Internet. By adopting rapidly changing Internet and object component technologies, we developed a novel approach combining the Internet and regular laboratory equipment. The client-server applications use a Visual Basic and Labtech programming…
Descriptors: Laboratory Equipment, Chemical Engineering, Internet, College Science
Ritacco, Hernan – Journal of Chemical Education, 2006
A simple, low-cost experiment to demonstrate the wetting dynamics of liquids on solid surfaces is described, where a "Web cam" is used to measure the expansion of the drop as a function of time. The advantage of a Web cam is its low cost, which permits an individual setup per student and the results obtained from the students with these devices…
Descriptors: Undergraduate Students, Science Experiments, Internet, Web Sites
