Science can be fun, fascinating, and eye-opening. These 10 classic experiments have stood the test of time, showing fundamental principles in action. From chemical reactions to physics demonstrations, ...

Although DIY PCB making has made great strides since the early days of chemical etching, there’s one fly in the ointment: vias. These connect individual layers of the board with a conductive tube, and ...

Did you ever dream of having a lava lamp experiment when you were a kid? I know I did! There’s just something magical about those colorful blobs bouncing around in liquid light. Now, as a parent, you ...

Dr. Pacheco answers the question: 'Professional vs. At-Home Chemical Peels?' June 1, 2009 -- Question: What is the difference between professional chemical peels and at-home chemical peels? Answer: ...