Electrical
All aboard! It's the term for a material that allows electricity to flow through it easily.
What is a Conductor?
To prevent floods, this city is constructing 78 rotating gates to block the Adriatic Sea from its lagoon.
What is Venice?
On opening day in 1937, the San Francisco Chronicle referred to it as a "35 million dollar steel harp".
What is the Golden Gate Bridge?
One of 6 simple machines, this pivots on a fixed point called a fulcrum.
What is a lever?
The rate at which an object’s velocity changes over time.
What is acceleration?
Power stations put out big zaps, so these step-down devices reduce the current for use in homes & businesses.
What are Transformers?
In the 14th century the Ming dynasty extended it 16 miles to Laolongtou, where it meets the Pacific Ocean.
What is the Great Wall of China?
These 2 cities each have 3 of the 6 tallest buildings in the U.S.
What are Chicago and NYC?
Most generators on power networks use this type of current.
What is Alternating Current?
Second century historian Antipater of Sidon recorded this septet of engineering achievements.
What are the Seven Wonders of the World?
Machine used to change mechanical energy to electrical energy.
What is a Generator?
The Eiffel Tower was built using 2.5 million rivets & 14 million pounds of this material.
What is Iron?
Famed California architect, Julia Morgan, pioneered the use of reinforced concrete, helping designs such as the Mills College Bell Tower to survive this 1906 disaster.
What is the San Francisco Earthquake?
From the Latin for "twist", it's the measure of how much a force acting on an object causes it to rotate.
What is Torque?
Mike Judge co-created this comedy about engineers & tech start-ups.
What is Silicon Valley?
Used as early as 230 B.C., the 1st successful electric one was developed by the Otis Bros. in 1889.
What is an Elevator?
The motto of this 1904-1914 engineering project was "The land divided, the world united".
Fearing a Japanese invasion, regiments of this military group built a 1,500-mile highway in Alaska & Canada in 8 months in 1942.
What is the Army Corps of Engineers?
You can determine the period of this object (the time of 1 swing) from the length of its string.
What is a Pendulum?
The only contemporaneous man-made objects taller than the Pharos of Alexandria Lighthouse.
What are the Pyramids?
Your electric bill is usually measured by how many of these hyphenated units you consume.
What are Kilowatt-hours?
Containing 167 arches, one of these built in 50 A.D. is still delivering water from the Frio River to Segovia, Spain.
What is an Aquaduct?
A scenic "Drive" in Los Angeles is named for this engineer who brought Owens Valley water to Los Angeles
Who is Mulholland?
This 7-letter word for a measurement of sound intensity was coined by telephone engineers & honors their hero.
What is a Decibel?
Charles Kao got a Nobel by applying to telephony the "old, old idea" of transmitting light through this material.
What is Glass?