This category is dedicated to the physics of the things which are used in the daylife.
This category is for educational and general interest websites related to the physical principles and phenomena which determine how the everyday things work. Only websites intended, targeted, or appropriate for people under the age of 18 will be listed here.
Kids and Teens lists sites for kids, not about kids.
No site is guaranteed placement in the Open Directory. Curlie does not list redirection or vanity URLs. Please submit the URL of your server.
Sites under construction, submitted to multiple inappropriate categories, using multiple URLs for multiple submissions, or consisting primarily of affiliate links to products will be deleted.