How Magnetic Suction Works on Doorbells
Remember the experiment on how to make an electromagnet? When electric current flows through a wire…
Browsing: Battery Basics
What is Polarity?
Polarity is a term used in electricity, magnetism and electronic signaling, just to name…
The History of AC vs. DC
J Just about every home and business is wired for Alternating Current (AC). However,…
Battery Basics
Magnesium-Ion Batteries: One Step Up From The Li-Ion Technology
The technology of li-ion batteries may be the best energy storage yet. Considered as today’s…
New Lithium-ion Battery Design: 2,000 times more powerful, recharges 1,000 times faster
Here come the new lithium-ion microbatteries with Power Density that is 2,000 times greater than…
New Polymer Research: Designing Ion “Highway Systems” for Batteries
In the previous post about Lithium-ion polymer battery, we realized and this rechargeable battery is…
New More Energy-Efficient Fuel Cells Developed to Provide Electrical Power on Planes
Another breakthrough in the science of fuel cells was just confirmed this 2014. Researchers in…
What are Lithium-Sulfur Batteries?
In 2008, rechargeable lithium-sulfur (Li-S) batteries were used in a solar-powered airplane demo flight. Known…
Is Electricity a Type of Energy?
Many reference books claim that electricity is a type of energy and that electric…
Practical benefits of solar thermal panels
In solar panel systems, photovoltaic panels are used. The main function of solar thermal panels…