Electrical Generator
This short video shows one of the demonstrations for the Physics SEPNet exhibition - "Who will keep the lights on?" which travelled around the southern UK from February 2009. We describe and explain the electrical generator demonstration which Jona....
More details | Watch nowElectron Waves Unveil The Microcosmos
Since the time of Faraday lines of force in space have been 'observed' by sprinkling iron filings around magnet. The lecturer explains how, with modern techniques we can 'see' lines of force inside a solid magnet. The studies reveal a fascinating dyn....
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The total work done on an object equals the increase in its kinetic energy. For conservative forces, we can define potential energy.
More details | Watch nowEvery picture tells a story
We will look at the role of pictures and images in the development of science. From the first graphs and illustrated books to Molscript, the influence of the first pictures of spiral galaxies on Van Gogh's 'Starry Night', to the artistic resonances o....
More details | Watch nowFibre and Sunlight
Fine tuning the frequencies of light gave John Hall a Nobel Prize, and helped transform the fields of precision measurement and information transmission. Iris Choi and Andrei Ghicov are young scientists excited by the ways physics can change our worl....
More details | Watch nowFive Decades of Lasers, Six Decades of Progress, and a Proposed Space Experiment to test Einstein’s Assumptions
Even though this is the 51st year of the Laser, progress in its control and application in precision measurements is still accelerating. The Optical Frequency Comb technology exploded in 1999-2000 from the synthesis of advances in independent field....
More details | Watch nowForce or (potential) energy
Classical dynamics uses the concept of force for its solution. On the other hand force in quantum dynamics has no meaning and the concept of potential energy is used instead. The question is, "which one of the concepts is more fundamental?".
More details | Watch nowFrom Millisecond to Attosecond Laser Pulses
A historical overview is presented of the experimental development of ever shorter laser pulses from 1960 to the present. Already in the early sixties nanosecond pulses were achieved and the entry into the picosecond domain was reached in the late s....
More details | Watch nowFrom Spinwaves to Giant Magnetoresistance (GMR) and Beyond
Standing spinwaves and surface waves in layered magnetic structures can be used for the detection and quantitative evaluation of interlayer exchange coupling (IEC). Using this method antiferromagnetic IEC has been found in Fe/Cr/Fe layered structure....
More details | Watch nowFrontiers of Physics
David discusses a few of the questions facing fundamental physics that might be answered before the 100th Lindau meeting in 2050.
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