Search results
How to Build a Five-foot-tall Jacob's Ladder: This classic climbing arc completes any mad scientist's dungeon. Don't touch the electrodes: they're at 12 kV!
How to Make an Electrical 'Jacob's Ladder'. A Jacob's Ladder passes a high voltage electrical current into two metal rods. To complete the electrical circuit, the current must jump from one rod to the other. When the current arcs between the rods, it heats the air around it.
The Climbing Arc or Jacob's Ladder uses a high-voltage, high-frequency power supply to create a stationary arc at the bottom of a pair of diverging electrodes where the gap is smallest. In a few minutes heat will build up between the arc electrodes and cause a rising air current.
In Jacob’s Ladder, ‘intelligent' cubes living in a Minecraft-like world move around the space and organize themselves into larger shapes and structures. Each cube follows a simple set of rules, like ants creating an ant-hill without an overseeing architect.
Plot. On October 6, 1971, American infantryman Jacob Singer is with the 1st Air Cavalry Division, deployed in a village in Vietnam's Mekong Delta, when his close-knit unit comes under sudden attack. As many of Jacob's comrades are killed or wounded, others exhibit abnormal behavior with some suffering catatonia, convulsions, and seizures.
Jacob's Ladder. A physics demonstration instrument consisting of two oppositely charged electrodes mounted on a base and curving slightly away from one another at increasing height.
Jacob’s Ladder – one of the few trinkets allowed on Sunday – still manages to wow kids of all ages. How *does* it do that?!?! Grade Levels: This activity can be a great, hands-on addition to learning about colonial life for grades 3 - 5.
