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Voltage is the difference of electrical potential between two points or two objects. Without this difference of electrical potential, electricity could not be used as a power source.


Nickel-based alloys and molybdenum alloys that are combined with silicon and boron are all materials that can withstand extreme heat. Nickel based alloys are the current go-to metal for extreme heat, but they are quickly being replaced with smarter metal options.


A voltage follower is an op-amp circuit that has a voltage gain of one. It's also referred to as an isolation amplifier, a buffer amplifier and a unity-gain amplifier. The op-amp doesn't provide any amplification to the signal.


The unit for potential energy per unit charge, or voltage, is the volt, which has the symbol "V." It takes its name from the Italian physicist Alessandro Volta, credited with inventing one of the first electric batteries.


Jacques Cousteau recorded the deepest official scuba dive by Maurice Fargues at 117m, approx. 13 atmospheres of pressure, or 191 pounds per square inch. However, no definitive answer exists. The real danger in intense pressure on the body comes from several factors rela...


An experiment conducted at the Science Studio at Imagination Station demonstrated that a single egg was able to withstand at least 3.75 pounds of force. Eggs are most resistant to breaking when pressure is applied to their ends.


Voltage, or electrical pressure, in a system produces a proportionate amount of current when placed across electrical resistance. Ohm's law indicates that 1 volt passed through 1 ohm of resistance produces 1 ampere of current, or electrical flow. Voltage and current, th...