The Pearl River Tower :

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- Opened in 2012

- In Guangzhou and China

- 71 floors

- 399 meters ( 1 014 foots)

- shape redirect wind in four opening where we have turbines
wich product electricity for offices.

- air filtred to be used by the ventillation

- wind & solar energy used

- solar energy used for :
	- offices
	- photovoltaic cells
	- sunlight = electricity

- automatic windows blinds

- turbines -> 4% of total energy

- pannels on face -> solar pannels

- curvilinear faces

- DOUBLE SKIN : double flux
	- make hot air
	- heat exchanging
	- under floor heating


TRIPLE GLAZED :
	- easten and western
	- heat loss : pertes de chaleur
	- sun's rays entering
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Going Green ( Building )

- By Splitterwerk (the firm) & company Arup  <--- collaboration

- German architectural firm

- world first "algae powered" building

- conceived in 2009

- HOW ITS WORK :
	- sun facing sides of the building
	- second floor with glass pannels
	- facades filled with micreoalgae.
	- the algae are fed a constant supply of liquid nutrints and carbon dioxide via a separate  water circuit running throug the façade
	                (les algues sont alimentées en nutriments liquides et en dioxyde de carbone grâce à un circuit d'eau séparé traversant la façade)

	- sunlight -> algae can photosynthesis and grow
	- ready -> separated from the rest and transferred
	- algae ->fermanted in external biomass plant
	- good because -> 5 x more biomass per hectare as terrestrial plants
	- good because -> contain many oils -> produce energy

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Harnessing the wind :

- 4 years of research

- Professor Farzard Safaei of the University of Wollongong
	->found an anwser : Power Windows

 GOOD :
	- reduce noise
	- footprint
	- better integration with living environement

- blades respect wind movement -> translational movement
			(as oposite with rotating of current blades)

- improve manifacturing & installation & reduce optionnal cost
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Space Coffee :

EN ANGLAIS :
- creators : Pettit (nasa astronaut) and Mark Weislogel -> Portland State University

- zero-G coffee cup solves problems -> 'going with the flow': putting the strange behavior of fluid in microgravity to work.

 -> (basicly) the liquid piles up right at the lip of the cup and keeps flowing as you sip.
 -> It pours out by the combined effects of your mouth, the wetting conditions of the fluid, surface tension, and the particular shape of the cup."

 -> This oddball cup wouldn’t work on Earth, but it is a marvel in space.

 EN FRANCAIS :

 La tasse de café zéro-G résout ces problèmes en «allant avec le flux»: mettre en œuvre le comportement étrange du fluide en microgravité.

 -> «Essentiellement, le liquide s'accumule directement sur la lèvre de la tasse et continue à couler pendant que vous sirotez.
 -> Il se déverse par les effets combinés de votre bouche, les conditions de mouillage du fluide, la tension de surface et le particulier forme de la tasse ".

 ->Cette coupe excentrique ne fonctionnerait pas sur Terre, mais c'est une merveille dans l'espace.

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Tower of power :

- Spain -> constructed outside Seville

- 19.9 megawatt Gemasolar plant focus sunlight -> 2650 mirros

- powering generators -> 15hours when -> night / bad weather

- first to use thermal solar storage

	STEPS :
	1 - cold salts are kept in tanks
	2 - mirrors concentrate sunlight
	3 - salt are pumped to the top of tower where they heat 1650 F
	4 - superhead molten salt are pumped into storage tanks
	5 - steam released as the salts turn turbines that genrerate electricity
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5G :

- mobile data x2 itch year -> race to 5G

- parts of the word will have in 2018

- will be needed for a connected life

- 5G 100x faster than 4G (exemple : dl a film under 1sc)

GOOD :
	- time to start transfering -> reduced
	- small waves -> 3 - 300 GHz
	- heterogeneous network (HetNet)
	- provide wireless coverage in -> lot of wireless variety zones (form outdoor to office buildings)
	- auto select of newtwork acces -> and frequency band -> impression of always suffisant

BAD :
	- need adapted supports


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Clean Energy :

- Beijing group with help of Lockheed Martin

- recently made a 10MW ocean thermal energy conversion pilot power plant -> sourthern China

- largest OTEC project (OTEC = Ocean Thermal Energy Conversion)

- use natural temparature difference between regions to drive turbine generate electricity

- generate electricity by leveraging (tirer parti) the temperature difference between warm surface
  warter and deep cold water.

(pour voir le systeme regarder le screen sur le bureau)


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The Bay Bridge :

- world longest self-anchored suspension bridge

- Made by california enginers

- 624 M

- cables suspend the bridge

- 90m above ground

- " Earthquake thank"
	- fondation resistance
	- shear links (liens de cisallement)
	- above earth movement
	- if to strong it will break


- the objective is to resist to eartquakes.
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EFFICIENT FLYER : X-48C

- Reducing : fuel burn / emissions / noise level --> OBJECTIVE

- succesfully completed after 8 months and 30 flights

- Designed : Boing / Build : Cranfield Aerospace / flown in partnership : Nasa and US Air Force Research Laboratory

- scale model of heavy-lift (maquette)

- triangular shape -> tailles aircraft that merges the vehicle body and wing

- X-48C -> modified version of X-48B (flew (à volé) 92 times

- don't need pilot

- 1er flight : 7/08/2012    //// last flight : 9/04/2013

- made of composite materials

- height : 0.9m

- weight : 225kg

- max speed : 225km/h

- flight height : 3000m

- autonomy : 40min

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Crossfire : (drone)

- drone -> build with 3D printer -> made for everyone

- camera

- accrobatics drone

- made of plastic (can use others materials)

- 4 arms / a main body / legs / 4 propellers (hélices)

- can be customized

- not a professional drone :
	- used to make fotoes
	-accrobatics

- a 4000 mah battery // motor ( 750 kv) // speed controler (30A)
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