Interactive Calendar
Few posts ago, I referenced Chandoo’s dynamic calendar. Recently he made made this interactive calendar using pivot tables in Excel and has even made a video showing us the process. Continue reading Interactive Calendar
Cleaning up oil spills with magnetic liquids
Perception of climate change
Source: PNAS Should the public be able to recognize that climate is changing, despite the notorious variability of weather and climate from day to day and year to year? We investigate how the probability of unusually warm seasons has changed in recent decades, with emphasis on summer, when changes are likely to have the greatest practical effects. We show that the odds of an unusually … Continue reading Perception of climate change
Algebra Quiz 1
This question was taken from AIME (American Invitational Mathematics Examination – AIME) What is the sum of the solutions to the equation: Excel Source File: Algebra quiz1 Computation from Wolfram Alpha: Continue reading Algebra Quiz 1
Dynamic Excel Calendar
Chandoo created this dynamic Excel calendar which I found extremely useful. Additional resources: Daniel Ferry’s Calendar Musings Excelisfun Counting work days Continue reading Dynamic Excel Calendar
Dynamic Periodic Table of the Elements
Daniel Ferry (www.excelhero.com) created this dynamic periodic table in excel and it is very impressive. He conducts the Excelhero academy every year. The Image below is taken from Excelhero and you can download the Source file and play with it. Additional resources: Michael Dayah’s periodic table Elements iPad app Periodic Videos Continue reading Dynamic Periodic Table of the Elements
2010 Exam Results Visualisation BBC vs The Guardian
Source: BBC Source: The Guardian Additional Resources: The New York Times Continue reading 2010 Exam Results Visualisation BBC vs The Guardian
Climate Change, Health & Sustainability
Source: PNAS Climate change poses threats to human health, safety, and survival via weather extremes and climatic impacts on food yields, fresh water, infectious diseases, conflict, and displacement. Paradoxically, these risks to health are neither widely nor fully recognized. Historical experiences of diverse societies experiencing climatic changes, spanning multicentury to single-year duration, provide insights into population health vulnerability—even though most climatic changes were considerably less than those anticipated this century and beyond. … Continue reading Climate Change, Health & Sustainability
The Big Necessity
Source: BBC Bill Gates is, in a manner of speaking, flushing his money down the toilet. His charitable organisation, the Bill & Melinda Gates Foundation, is looking for future loos that can improve sanitation around the world. At the Reinvent the Toilet fair, hosted at its Seattle campus this week, designs included a lavatory that used microwave energy to turn poo into electricity. Another turned excrement … Continue reading The Big Necessity
The water footprint of bioenergy
All energy scenarios show a shift toward an increased percentage of renewable energy sources, including biomass. This study gives an overview of water footprints (WFs) of bioenergy from 12 crops that currently contribute the most to global agricultural production: barley, cassava, maize, potato, rapeseed, rice, rye, sorghum, soybean, sugar beet, sugar cane, and wheat. In addition, this study includes jatropha, a suitable energy crop. Since climate and production circumstances differ among regions, … Continue reading The water footprint of bioenergy
Perpetual Motion of Thought 