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hello there Iamp;#39;m your host Dan Rojas and today weamp;#39;re going to be making a trough mirror to collect some sunlight heat up some water what a trough mirror basically is is a curved mirror similar to this one shaped along a parabolic curve that focuses all the sunlight in a linear beam in one spot most cases people use a pipe and theyamp;#39;ll use a mirror like this to shine it to the backside of the pipe so you get sunlight hitting the top of the pipe and then this entire surface area concentrates it to one spot which creates a lot of heat the trough here weamp;#39;re going to be making today is not going to be using this weamp;#39;re going to be making a much smaller one but it will increase the temperature of the water in the pipe to about 160 170 degrees and it is a very strong way of doing it itamp;#39;s a lot smaller and compact and it is a great alternative for heating water for a swimming pool or inside your house what I have here is a six inch piece of 10-foot
