How to Solder copper wire to aluminum foil. I will be making some disposable variable capacitors later today for some magnetic loop antennas. This is also a useful technique to solder copper braid to an antenna. I think you can use any oil. the important thing to remember is keeping Oxygen form the foil. You don’t want it to oxidize before you get the solder down.
When we use a new tube of silicone, often there will be leftovers, this trick will show you how to extend the life of silicone, prevent it from drying, keeps for months with minimal wastage. Simple trick to save dollars….
This is way cool. The lamp part starts at about 5 min in.