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Scan the QR code to get my email and phone number.  Keep reading for highlights and instructions. HighlightsOn the background is shown a detail of the sculpture Metropolis, by David Gerry Partridge (1919-2006), revealed in 1977 to the public. The ratio between its sides is equal to the Golden Ratio. If you draw its diagonal, you can check other objects against the Golden Ratio. \[\phi=\frac{1+\sqrt{5}}{2}=1.618\] You can reach with the centimeter ruler a visual precision of 0.5 mm. You can reach with the inch ruler a visual precision of 1/64 in. The table shows several conversion units. The middle column gives approximate values in order for you to do the math in your head. The last column has the precise number with four significant digits. If you have the value of the unit in the first column, you must multiply by the constant to find the unit in the middle column. E.g.: \(10 \text{ in}=2.54*10=25.4 \text{ cm}\) If the problem is opposite, you have the unit in the middle, you need to divide by the constant. E.g.: \(60.96 \text{ cm}=60.96/30.48=2 \text{ ft}\)
The abbreviation for litre is intentionally incorrect. It is represented as capital L in order to not be mistake by the number 1.
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