Monday, December 7, 2009

Evolution of Storage


From http://www.geekologie.com/image.php?path=/2009/11/29/storage-full.jpg

How many minutes does a 12 inch record hold?

How many cassette tapes' worth can an Ipod store?

How many 5.25 inch floppy disks' worth of data can a flash drive store?

Sunday, December 6, 2009

Gantt Chart


From: http://www.me.utexas.edu/~me302/Project/Pencil/intro.html

When does computer modelling start and finish?
Which tasks take the longest and shortest amounts of time?

Saturday, December 5, 2009

Polar Area Diagram

This "Diagram of the causes of mortality in the army in the East" was published in Notes on Matters Affecting the Health, Efficiency, and Hospital Administration of the British Army and sent to Queen Victoria in 1858.



This graphic indicates the number of deaths that occured from preventable diseases (in blue), those that were the results of wounds (in red), and those due to other causes (in black).

Which month had the most deaths from preventable diseases?

Which month had the most deaths from wounds?

In case you are interested, the legend reads:
The Areas of the blue, red, & black wedges are each measured from the centre as the common vertex. The blue wedges measured from the centre of the circle represent area for area the deaths from Preventable or Mitigable Zymotic diseases, the red wedges measured from the centre the deaths from wounds, & the black wedges measured from the centre the deaths from all other causes. The black line across the red triangle in Nov. 1854 marks the boundary of the deaths from all other causes during the month. In October 1854, & April 1855, the black area coincides with the red, in January & February 1855,(*) the blue coincides with the black. The entire areas may be compared by following the blue, the red, & the black lines enclosing them.

Friday, December 4, 2009

Renewable Energy Consumption in the Nation’s Energy Supply, 2008



What percentage of energy came from nuclear power in 2008?

What fuel was used most?

What type of renewable energy generated the most power?

Approximately what percentage of the total energy generated was generated by biomass?

Thursday, December 3, 2009

Cost of Healthy Eating



What type of food has decreased most in relative price since 1980?

What type has increased most?

Wednesday, December 2, 2009

Music and Oil


From http://www.overthinkingit.com/2008/09/23/the-hubbert-peak-theory-of-rock-or-why-were-all-out-of-good-songs/

Which year had the greatest number of Rolling Stone's greatest hits of all time?

Which decade or decades had the greatest number of greatest hits?

Which decade had the highest oil production?

Do you think this graph shows a relationship or a coincidence?

Tuesday, December 1, 2009

Hybrid Car Energy


From http://www.futurecars.com/news/hybrid-cars/2011-buick-regal-to-be-a-hybrid-even-a-plug-in

What type of power does this hybrid use when going very slowly?

What type does it use when going quickly?

Describe when regenrative braking happens.