Complex, costly and performs a useless task. The solar powered car darts from its starting position away from the lamp--only to be returned and repeat the cycle. <br> The runway, in its lowered position, closes a normally open micro switch--all...By: mrigsby
Continue Reading »
Source: http://www.instructables.com/id/Rigsby-Machine/
bathroom remodeling costs bathroom remodeling plans bathroom renos bathroom renovation ideas
No comments:
Post a Comment