Ellis Gibson (B.Sc. in Mechanical Engineering)

To make an iron flow battery, mix vanadium pentoxide and sulphuric acid in a single tank. Use sheet steel as electrodes, separated by a membrane. This setup allows for a cell voltage of about 1.5 volts. The gravity flow method enables easy recharging. This project is suitable for DIY enthusiasts and off-grid energy solutions. Next, … Read more

To make an inverter from a car battery, follow these steps: 1. Obtain a reliable power inverter. 2. Connect the inverter to the battery’s terminals, using appropriate connectors. 3. Plug in your household appliance. This setup changes 12 volts DC from the battery into 110 volts AC, allowing you to power various devices safely. Start … Read more

To make an electromagnet powered by a boat battery, wrap insulated copper wire around a large iron nail. Connect one end of the wire to the battery. Ensure tight wrapping for stronger magnetism. Use paper clips to test its pull strength. Monitor for heat. Always prioritize safety when working with electrical components. Next, attach the … Read more

To make an electromagnet from a car battery, wrap insulated copper wire around an iron screw. Then, connect the wire ends to the battery terminals. The electricity flows through the wire, magnetizing the screw and enabling it to lift small metal objects. Always follow safety precautions when handling the battery. Next, connect one end of … Read more

Alkaline batteries can leak when overheated, but they rarely explode. Short-circuiting may produce heat and gas buildup, leading to leaks or minor explosions. To minimize risks, avoid damaging the battery and do not overcharge it. Always follow safety guidelines to ensure safe experimentation. The causes of an explosion often stem from misuse or improper handling. … Read more

To make an AC battery pack, gather key components like a 12V battery, an inverter, and a solar panel. Connect the battery to the inverter to turn DC into AC. Add a charge controller for safety. This DIY project lets you power devices portably and affordably. Follow clear guides for detailed instructions. Once the inverter … Read more

To make an alkaline manganese dioxide battery, gather a zinc anode, manganese dioxide, and potassium hydroxide. Mix manganese dioxide with water and filter it for clarity. Assemble the battery by layering the materials in a cylindrical shape with a carbon rod in the center. Follow safety precautions during the assembly process. Start by assembling the … Read more

To make an alkaline battery, place a copper washer 1/4” from the end. Add a zinc washer as the anode. The zinc reacts with potassium hydroxide electrolyte, creating zinc oxide and electrons. Include a brass nail as a current collector. Proper assembly ensures accurate performance and usability. Next, place the zinc metal inside the container. … Read more

Click the Bluetooth icon in the menu bar. A dropdown menu will display your connected devices. Find your AirPods in the list. You will see the battery levels for both the AirPods and the charging case next to their names. This lets you easily check their battery percentages. In addition, if you are using non-Apple … Read more

Use an AA battery, a neodymium magnet, and copper wire to build a simple homopolar motor. Connect the battery to the wire and place the magnet at the right distance. This DIY experiment shows magnetic levitation principles. It’s an engaging way to learn about current usage and magnetism with minimal materials. Begin by winding the … Read more