Thursday, November 14, 2013

Lesson 11 - Presentation week 1

Today is the second last day of the TWC course and is also the first dedicated week of presentations. 3 groups presented today, including my group which went second. The first group presented on futuristic buildings, our group presented on clean energy and the last group presented on nanotechnology.

I found the first group’s presentation greatly informative and interesting. The group explored how buildings in the future are likely to develop in a trajectory of emulating greater environmental consciousness in their designs, such as buildings underwater, buildings built entirely out of organic solar cells which can transform the building itself into a powerful energy generator, as well as buildings constructed out of hempcrete which makes them less susceptible to the elements. I found the idea of partially underwater structures which consists of sealed and buoyant living spaces which may be detached from the main structure and serve as safe havens for residents in the event of tsunamis/typhoons especially intriguing. The group had even constructed a model of such a building structure – complete with live fishes. Were such a concept to be practicably translated to reality, it would be an invaluable contribution to countries which are especially vulnerable to such natural disasters. Human casualty rates and the extent of destruction in the event of tsunamis and typhoons would be greatly reduced and the world would not need to witness similar tragic and helpless scenes of a disaster aftermaths as that unfolding in the Philippines at present (the region of Tacloban in the Philippines was completely devastated when a typhoon made landfall on 8 November 2013).

My group’s presentation was on clean energy. We covered how the use of energy by mankind has evolved over history – from the use of firewood for heating and cooking, to the advent of the steam engine and eventually the discovery of coal and other hydrocarbons mined from deep in the earth, which we came to rely heavily on to drive subsequent industrialization goals. Our group also identified the impetus for a shift to clean and sustainable energies/technology today and explored a few examples of such energies in detail – e.g. solar power, biomass and hydro-energy. We then went on to examine case studies of countries which have dabbled in clean energy technologies to a significant extent and we evaluated their successes in reducing their carbon footprints. Finally, we covered the implications which a concerted shift in energy policies towards clean technologies would bring about and considered the issues that are likely to arise and which need to be addressed in order that the full benefit of such of such a change is realised all involved.

The last group presented on nanotechnology and examined how such a small and seemingly insignificant entity can in fact have expansive, value-adding applications. Examples include the use of nanoparticles in the medical field for drug delivery and the use of nanowires to monitor patient vitals. The latter would save the patient much time and expense which he would otherwise have to invest in making physical trips down to the doctor’s. The group then went on to explore the possible economic, social, environmental and political implications of a widespread use and innovation of nanotechnology in future. One point I found particularly intriguing is the potential for nanotechnology to be harnessed in the recycling of waste materials to regenerate food. The group notes how it may be possible in future for a machine to be built which takes nanoparticles from waste material and rearranges them to create new, edible food products. This could potentially resolve the issue of world hunger by providing a novel source of food and increasing global food supply. Overall, I found the group’s presentation informative and energetic. The use of animation graphics on the website also made the site a visual feast and  pleasure to explore.


I would rate this lesson a 9/10.

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