Leaf Blower Engine started to smoke

Our smoke detectors in our home go off in the middle of the night for no reason. It starts w/ one and then before you know it all of them are going off. We have tried to vacumn them but they still go off at least once a month. They are only 4 years old.

Our smoke/fire detectors went off in the middle of the night--the one downstairs first, then the one upstairs, with no detectable cause. We opened some windows and the shrieking stopped. What could have caused this? This morning as we sat at the breakfast table, a bright light flashed above...

Two questions realting to my Honda Civic ESI - 1994 model. 1) When I turn on the ignition key there is a Check Engine lamp displayed in Orange which is remaining On for progressively longer. Car not be started until this light disappears. Eventually after 3-5 seconds light turns off and engine...

Hi all, We are making a small play in my comunity and I would like to add some visual effects to it. I thoughtabout adding some smoke (like TV shows, etc). Anyone to give me some idea how to build a DIY smoke machine? Thanks