Science and society
Doing science and testing hypotheses is a bit like trying a case in a court of law Continue reading Science and society
Doing science and testing hypotheses is a bit like trying a case in a court of law Continue reading Science and society
Lately, climate change has become a hot topic. Everyone seems to have an opinion about it. I spoke to my sister yesterday and she said that there had been no rain for the past several months in Tamil Nadu, a state in South India with a population of 80 million, while in Kashmir the rivers were in spate. She attributed this to the Ozone layer … Continue reading Our beliefs and our destiny
What the ears cannot hear the eyes can… Continue reading Visualising music
Apps that make learning interesting Continue reading Apps for Educators
The thrills and the perils of pursuing the unknown… Continue reading Scientific publishing
300 million women and girls are forced to defecate outside Bangladesh, has reduced open defecation from 19% to 3% in just two years by decentralising sanitation programmes Nearly half of India’s 1.2 billion people have no toilets at home Everyday 200,000 tonnes of human feces are deposited in India, left in the open References Guardian: Lack of toilets puts India’s health and rural women’s safety at risk … Continue reading Nature’s call
I was looking for a timeline of composers of western classical music right from Hildegaard Von Bingen but I could not find an interactive one on the web. However,I found the following: Classical.net lists the major composers in its timeline in PDF format Classicfm has a much nicer timeline but it does not show all the composers. Media and text on a particular composer is included in … Continue reading Composers of Western Classical Music – Visualised
The conversation When ‘exciting’ trumps ‘honest’, traditional academic journals encourage bad science By Robert de Vries, University of Oxford Imagine you’re a scientist. You’re interested in testing the hypothesis that playing violent video games makes people more likely to be violent in real life. This is a straightforward theory, but there are still many, many different ways you could test it. First you have to … Continue reading Publish or Perish
How many pints of each 2 percent and 7 percent acid solutions must be mixed to obtain 50 pints of a 5 percent solution? A Video response to the question from Socratic.org. File can be downloaded here (Dropbox Folder). Related Concentration Picket fence 1 Picket fence 2 Learn ChemE Continue reading Determining Mixing Volumes
This is a video response to a question from Socratic.org: http://socratic.org/questions/how-does-linear-regression-work-in-excel-2013 You can download the xlsx workbook here (Dropbox Folder) Continue reading Boiling point of alkanes