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Changing the world with engineering (street science)
Transcript of Changing the world with engineering (street science)
Engineering is involved in everything we use!
Changing the world
What is Engineering?
What do Engineers do?
Civil/structural engineers design and construct our physically built environment
"Civil engineering is a very broad subject, and involves everything from
. So far in my degree I have learnt to
water treatment plants
In my labs I have built
concrete beams, mini-bridges
cleaned dirty water
to make it drinkable.
The variety of topics we cover makes the degree really interesting and gives plenty of different options when it comes to choosing a job in the future. "
All new cars are now computerised, and we're seeing more electric cars that are powered by a rechargeable battery rather than fuel!
These Engineers design
and maintain all our
electronic technology, from
our phones, laptops and
playstations to huge power
Notice that when you tilt
your phone the screen
designed the sensors
to enable that to happen!
(As well as the phone itself)
Chemical Engineers convert raw materials into useful everyday products!
Did you know that plastic bottles, clothes and paint are all made from the same starting material?!
Is designing a solution to biological problems!
is the design and construction of any marine vessel, ie ships, submarines and even oil rigs!
Ocean clean-up array
We're going to have a look at the different types of Engineering, but keep in mind that there is a lot of crossover between them!
Is the design, construction and use of machines, from individual parts and devices to cars, trains and planes.
Think about how each engineering
discipline can change the world we live in today...
A new mega city?
Bio-engineers are working on a bionic limb that links information back to the brain (with electrodes connected to our nerves), so people can sense temperature and pressure and ultimately regain control.
Kathryn Harder, Electrical engineering
‘I really enjoy Electrical Engineering because of the variety of subjects we cover: physics, maths, programming and business, and the opportunity to design our own projects.’
Common Misconceptions of Engineering:
Engineering at University is very different to these professions, as you are involved in the DESIGN of new and innovative projects.
Testing materials experiment
Civil engineers have to ensure that what they build is strong enough to withstand a large amount of stress and pressure.
Therefore they must TEST the materials they use.
Electrical engineers need to understand how to build many different types of circuits.
TASK: Build a circuit with the energy ball - using people
What happens if you break the circuit?
Will it work with a different material? Why?
This Japanese floating bullet train has undergone it's first successful trial run.
It works by electromagnetic replusion between the bottom of the train and the tracks. This reduces the FRICTION, cutting down the time of the journey (from 90 to 40 mins) and increases the speed (to 311mph).
Friction is one of the forces that plays a huge part in the understanding of this new technology.
TASK: Try to pull apart the prospectuses.
Why can't they be pulled apart?
Phoebe - Civil Engineering (MEng)
Build a bridge!
Using the Knex construct a bridge with your group, if we can add a weight to your bridge and it still stands- you've succeeded!
New prototype bionic arm
New bionic arm designed by the 'Alternative Limb project', enables the amputee to have control over their limb (as the shoulder muscles attach to sensors in the hand). It also can be customised; James' arm comes with a USB port, a light and even a drone!
As technology is developing so quickly, this will be available to the public in only a few years time.
What makes a good bridge?
1) Even weight distribution (no stress at once single point)
2) Triangular units - strongest shape as their geometry is locked into place
3) Repeating units - adds stability and symmetry
Millau Viaduct (France) is the highest bridge in the world
Golden Gate bridge - San Francisco
Even weight distribution
Sometimes the simplest designs are the best!