Close to 5000 planets and counting orbiting other stars have been discovered so far, yet we have no evidence of a planet similar to Earth. But this will likely to change as the astronomers have a good possibility that they will detect signatures of life on some of these worlds in future. What will such a discovery mean for humans on Earth and meaning we will derive from it? Why do we even care about life on other planets? Dr. Salman Hameed will discuss these topics and will try to discuss the techniques currently in use to detect life on other planets.
Gravitational waves were detected by LIGO (Laser Interferometer Gravitational-waves Observatory). This monumental discovery comes precisely 100 years after Einstein predicted these ripples in space-time. At the heart of this phenomenal outcome, lies a marvel of technological powers-a LASER interferometer. In this popular level talk Dr. Muhammad Sabieh Anwar will recount, how the phenomenon of interference shapes our present day picture of Physics. Right from dispelling the notion of an all pervasive ether, finding signature of "matter waves", probing molecules on stars a single photon interfering with itself, to the recent signatures of the gravitational waves, these beautiful machines called interferometers harbor immense power as one of the most important tools for scientific discovery. He will present examples where the phenomenon of interference has enriched special relativity, general relativity, the foundations of quantum mechanics and quantum optics.
To attend the lecture registration is required. Register here.
This talk will take you for a quick walk through the Universe. Todays universe as we know it, is indeed dusty. More than 30% of the UV and optical light from stars in the Universe may be absorbed and re-radiated thermally at infrared and millimeter wavelengths by the obscuring dust. The cool and dusty sites in the Universe provide seeds for the formation of molecules and organic compounds. These molecular clouds are actually stellar nurseries which give rise to star formation and its evolution. To study dust extinction and its properties, Gamma-ray burst after-glows are excellent probes. This topic will cover that what we know about dust and how do we study it.
The venue can located on the map given below.
The cornea is the clear front of the eye and its clarity is important for the transmission of light to the retina for visual perception. The corneal surface is composed of an epithelium that is renewed by stem cells located at the periphery of the cornea, in a region known as the limbus. These so-called limbal stem cells can become deficient or dysfunctional as a result of many causes including chemical and thermal burns to the eye, hereditary causes such as Aniridia and Ectodermal Dysplasia, inflammatory diseases such as StevensJohnson Syndrome and Mucous Membrane Pemphigoid, and iatrogenic causes such as radiation therapy and topical chemotherapy. In the resulting disease of of Limbal Stem Cell Deficiency the corneal epithelium cannot be maintained resulting in chronic epithelial defects and the surface becomes replaced by the conjunctival epithelium and its blood vessels which surrounds the cornea and limbus resulting in visual loss. Limbal Stem Cell Deficiency is therefore a painful and blinding disease. It is difficult to manage at the best of times.
Dr. Sajad Ahmad has developed an animal free culture method for limbal stem cells that has been used to successfully regenerate the corneal epithelium in patients with unilateral chemical burns and restore their vision. He is currently collaborating with centres in Edinburgh (UK), Oslo (Norway), Harvard University (Boston, USA) and Dublin (Ireland) to develop this technique in those centers for future mulitcenter clinical trials. He will outline this method. He was also the first to differentiate human embryonic stem cells into the corneal epithelial lineage and he will discuss this approach and the opportunities this presents.
This falakyati mela (astrofest) is in conjunction with the World Space Week 2012 organized by SUPARCO. Join us with your families and young ones to see deep sky objects, nebulae, galaxies and stars. Enjoy the live spectral recordings of these celestial objects indicating the chemical compositions of the stellar atmospheres.
In short, there will be lots of fun activities. Do register as no participant will be allowed without a prior registration. The activities will be live telecast on the Khwarizmi Science Society Channel of the Night Skies Network.
To register click here.
The event location is marked in the map below.
This talk highlights the inventing process – the preparation involved and the small steps to the greater achievements. From his early days as a school boy in Karachi and Lahore to the foundational technology training sites in Chicago, Pasadena, and Schenectady-New York, relayed is a personal journey as an inventor for solving pressing problems in international level engineering and in higher education for Pakistan.