History of air conditioning, invented by Willis Carrier – cool reading for a hot day

Willis Carrier submitted drawings of the first modern air conditioning system on July 17, 1902 블루투스 4.0.

Carrier was working to solve a problem that effected the quality of printing…

He came up with the brilliant idea to circulate cold water rather than steam through heating coils in a machine he used to test heaters 다운로드.

Carrier’s design was credited as the first to address four basic functions necessary for air conditioning. An air conditioner must: 1. control temperature, 2 다운로드. control humidity, 3. control air circulation, and 4. cleanse the air.

After the first appearance of Carrier’s air conditioner drawings in 1902, the air conditioner has revolutionized the comfort of people in many different activities 닷넷프레임워크 4.6.

This timeline from Carrier highlights some of the major impacts of air conditioning on society.

 

1902– First application of modern mechanical air conditioning, Sackett-Wilhelms

printing plant, Brooklyn, N.Y 다운로드.

1914– First application of air conditioning in a residence – Charles Gates mansion, Minneapolis, Minn.

1924– First department store air conditioned, J.L 다운로드. Hudson’s, Detroit, Mich.

1925– Movie theaters cooled: Grauman’s Theater, Los Angeles, Calif., Rivoli Theater, N.Y 다운로드.

1928-29– Chambers of the U.S. House of Representatives and Senate air conditioned

 

See the rest of the timeline and read the full articleThe Journey of Air Conditioning: 1902-Today

 

 

Continue reading History of air conditioning, invented by Willis Carrier – cool reading for a hot day

SimCity 2013 – goes green with limited resources, pollution, and sustainable principles

Any computer gamer old enough to remember floppy disks probably paid at least a fleeting visit to SimCity, the legendary franchise that let players build — and destroy — the metropolises of their imaginations 다운로드. After passing through half a dozen incarnations in the two decades since its debut, the game is back, and its creator, Maxis Studios, says that this time, it’s putting more than bricks and mortar into the mix optima 글꼴.

Slated for release in 2013, the new SimCity invites players to grapple with tough choices about energy generation, environmental costs and the responsibilities shouldered by inhabitants of a planet with finite resources — choices faced by real policymakers on the very real planet Earth 오라클 10g 다운로드.

To the game’s original repertoire of fire stations and governor’s mansions, power lines and city budgets, Maxis is adding a cocktail of new challenges, including limited resources and the spillover effects of pollution 유니티 웹 다운로드.

more on the “green” design of the gameScientific American

 
The official trailer, which doesn’t contain any reference to the pollution or green aspects, just natural disasters:

 
// Thx to Nasry Al-Haddad