Allen Pan, an electrical engineer and Star Wars fanatic who is best known for his Thor hammer recreation, has built a real burning lightsaber. It consists of a nichrome ignition (found in model rockets), a syringe valve located in a 3D-printed enclosure, along with a mixture of methanol and acetone for fuel. First, you load the device with butane as a propellant, hit a button that triggers lightsaber sound effects, and you’re ready for an epic duel. This burning lightsaber is essentially a small flamethrower with a focused blue beam. Click here to view the first image in today’s viral picture gallery. Continue reading to see the five most popular viral videos today, including one showing how to make a coin battery.