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j.lanyon
 
Not Rated
07/09/2005
Signs at the roadside could eventually be done away with if a transmitter were to replace them. This could be picked up by a micro chip receiver built into cars. The information could be displayed or read out by a computerised voice. For instance you have just entered a 40 MPH zone. This could be encouraged by the friend of the earth groups, think of the tons of materials that could be done away with. Also when the signs needed updating this would be a simple download process from the...
Picture
j.lanyon
 
Not Rated
Having read about deaths occurring due to people extending ladders past the safe extension point I felt there had to be an answer. My idea is that the last rungs of the ladder have an extra extrusion on the back of the rung thus stopping the extended front part of the ladder from being located on the last rungs. This would stop people from overstretching the ladder thus avoiding a collapse due to undue stresses. An after market kit could also be sold as it would be quite a simple...