This HTML 5 applet has loads of circuit elements you can use to set up a circuit and see in animated form how the current is running, measure the voltage, amperage and resistance at any point. Very nice to predesign your electronics.
Source: Circuit Simulator Applet
It turns out to be two factors:
1. Polar ice is melting.
2. We are storing water in different places and moving it around the planet using piping.
These factors redistribute the weight of the water around the planet, making the poles wander around.
We analyze space geodetic and satellite gravimetric data for the period 2003–2015 to show that all of the main features of polar motion are explained by global-scale continent-ocean mass transport. The changes in terrestrial water storage (TWS) and global cryosphere together explain nearly the entire amplitude (83 ± 23%) and mean directional shift (within 5.9° ± 7.6°) of the observed motion. We also find that the TWS variability fully explains the decadal-like changes in polar motion
Source: Climate-driven polar motion: 2003–2015
Clearista products were designed with medical applications in mind before they became beauty products. The idea was that removing the product got you access to traces or biological markers that give an insight into the health of a person. They also cover blemishes and dark spots on the skin. So the CIA is interested, as DNA is one of the markers they can pick up. They use their vehicle In-Q-Tel (IQT) to fund Skincential Sciences, which produces Clearista (among other products)
Source: CIA’s Venture Capital Arm Is Funding Skin Care Products That Collect DNA