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...energy in joules and electric current in amperes. A detailed understanding of these units is not needed yet, and would make a rather dull start to this course. In the few places where units appear, please skip past them if the meaning is unclear. Many physical quantities span vast ranges of magnitude. Figures 1 and 2 use images to indicate the range of lengths and times...

...energy recovery and landfill. This material forms part of T308 Environmental Monitoring, Modelling and Control... Waste Management A short introduction to this album. Waste Minimisation Cutting down the amount of waste we create per household is our biggest challenge. Waste Re-use How your recycling gets separated and processed. When to re-use packaging, opt for...

...solar system (perhaps within the first 60-100 million years), when impacts between planets clearing out their orbits were frequent in comparison to today. [simple artistic representation of the collison hypothesis model for the formation of the Moon ] Fig. 2: Simple artistic step-by-step representation of the collision hypothesis model for the formation of the Moon over...