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Better Bridges
A new kind of concrete
called Ductal will allow
bridges to hold more weight
and last longer. Made of a
mixture of sand, cement,
water, and small steel
fibers, it is 10 times more
expensive than traditional
... > full story
Concrete Canoes
Engineering students in the
20th annual American Society
of Civil Engineers national
concrete canoe competition,
show off their latest canoe
boat models. The concrete
canoes float because a cubic
foot of water weighs 62-poi ... > full story
How Safe Is This Bridge?
Engineers developed a spray
or paint that coats bridges
with carbon nanotubes,
allowing inspectors to check
for damages without
depending on visual
indications. The skin
... > full story
Unbreakable Bridges
A new bridge design replaces
reinforced concrete columns
and bars with steel tubes
filled with concrete. The
steel and concrete bind,
creating strong yet supple
columns For the bridge
pier's footing, additional
... > full story
Browse Science Videos
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Civil Engineers Develop Inexpensive System to Assess Damage after Natural Disasters
A new wireless system assesses injury in a structure after it is hit by a natural disaster such as a hurricane. When a building shakes, sensors records the frequency of the movement. This data is ... > more -
Automotive Engineers Bend New Materials into Futuristic Shapes
New materials for car bodies may soon transform the auto industry. Auto engineers can mold these carbon-fiber-reinforced plastics into virtually any shape. The materials are both strong and light -- ... > more -
Civil Engineers Design Disaster Evacuation System
Engineers and computer scientists developed software to coordinate the movement of thousands of cars in case of an emergency evacuation. The tool analyzes traffic flow to create an adaptable model ... > more -
Civil Engineers Create High-powered Hurricane Simulator
Engineers designed a portable hurricane simulator, powered by four marine diesel engines and equipped with a five thousand gallon water tank. It can create 125 mile per hour winds, subjecting real ... > more -
Engineers Guide Students To Apply Basic Principles To Toy Car Design
Students learned the principles of engineering and manufacturing when asked to design a toy car for a contest. They used computer design software to shape the car, then created wax and aluminum molds ... > more -
Civil Engineers Design Walk Through Butterfly Museum Exhibit
Structural engineers created a cocoon-like structure to hold butterflies and keep them flying around visitors. Low ceilings keep the insects at visitor-level, while screened-off ventilation systems ... > more -
Chemists Steal Engineering Tricks from Sponges
Sponges are the homes of colonies of tiny marine animals, and wonders of miniaturized engineering. They employ complex structural arrangements, the strongest glasses known to man, and even ... > more -
Computer Scientists Test Safety Of Construction Workers In Virtual Reality Environment
Safety scientists developed a virtual environment that simulates the look and feel of walking on the elevated, barrier-free planks used in the construction industry. Their research is helping to ... > more -
Electrical Engineers Monitor Environment with Robotic Sensors
Fleets of robotic sensors, networking through thin cables, can track environmental changes such as biogeochemical cycles or loss of biodiversity, helping to manage wild lands. The technology is the ... > more -
Mechanical Engineers Rock Out On Guitars They Construct Themselves
Mechanical engineers combined their skills with that of electrical engineering and computer science to create a college class inspired by the Guitar Hero game. The hands-on course requires students ... > more
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