Optimizing muon decay measurements

Optimizing muon decay measurements

Muzamil Abbasi is a final year undergraduate at the Habib University, Karachi. Working with the Physlab team, Umar Hasan and Dr. Sabieh Anwar, he has optimized the existing experiment aimed at measuring muon lifetimes. He has noticed nonlinearities (integral and differential nonlinearities) in the operation of the multi-channel analyzer that is systematically affecting the lifetime […]

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Construction of a magnetic field mapper

Samples that needed to be analysed by NMR Spectroscopy have to be subjected to a homogeneous magnetic field so that they can process once they are subject to the Larmor Frequency. While supercooled magnets are used to generate homogeneous fields within Industry level NMR Spectrometers, a different approach has to be employed when working with […]

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Colors of powder

Ifrah also spent time exploring how a coloured material is ground to a powder where it experiences amazing colour changes. The problem also encouraged her to investigate how the degree of grinding affects the apparent colour of the powder. As different chemical pigments absorb different wavelengths of light and the colours of particles don’t change from […]

By Azeem Iqbal | Research Stories
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Blowing Bubbles

When blowing on a soap film in the ring, a bubble may be formed. The liquid film may pop or continue to exist. The IYPT Pakistan team member Iftah Mahmood spent time on investigating how the number of bubbles are related to being produced from a single soap film and what are the characteristics of the […]

By Azeem Iqbal | Research Stories
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Bidirectional control of a Peltier element

A bi-directional current source is needed so as to exploit the Peltier device’s heating and cooling phenomenon: one face of the device heats up when current flows in one direction and the same face cools down if the current through it flows in the opposite direction. The idea is to use transistors as a voltage […]

By Azeem Iqbal | Research Stories
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Coincidence detection circuits for photon correlations

Coincidence detection is the simultaneous detection of two or more photons in different detectors. The electronics associated with coincidence-counting tend to be very costly. The aim of this project was to build a small and an affordable circuit based on fast logical AND Gates. The circuit includes a pulse compressor which, depending upon the setting […]

By Azeem Iqbal | Research Stories
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Hot Water Fountain

Aliza also worked on “Hot Water Fountain” problem. It involved creating a hot water fountain using a partially filled Mohr pipette. The hot water raised the temperature of the air column inside the pipette resulting in an increased pressure. As the pipette was turned with its tip upwards, a stream of hot water fountain was […]

By Azeem Iqbal | IYPT . Research Stories
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Mechanical Random Number Generator

Shaheer worked on making a mechanical random number generator. An electromagnet drops a ball onto a rod that is exactly beneath it, and the ball will fall onto either the right or the left side of this rod. If the balls falls onto the left side, a reading of ‘1’ is taken. And if it falls […]

By Azeem Iqbal | IYPT . Research Stories
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