If you've got your smart TV, soundbar and other gadgets plugged into a power strip, you may feel you're all set. But is that ...

Power strips solve this problem ... The plug rotates 360 degrees, yet still allows the hot, neutral, and ground wires to stay connected. It does this with the help of slip rings.

While everything in this setup is properly grounded, including the power supply and oscilloscope, the way the grounding systems interact can contribute to the high amount of noise. This was ...