Moses built the tabernacle in the wilderness to house the Ark of the Covenant. All those curtains? Made of wool. Wool is a collector of static electricity. The desert environment naturally generates static electricity. The wool curtains collected and accumulated that charge. The tabernacle was an electrical system: wool curtains as charge collectors, desert as power source with the Ark as capacitor. Static discharge as output. Head to the desert with Tim in his upcoming Egypt Tour: https://egypt