prompter: Which is the tallest building in the world? Where is it located?

assistant: The tallest building in the world as of 2023 is the Burj Khalifa, located in Dubai, United Arab Emirates. It stands at a height of 828 meters (2,716 feet) with 163 floors.

Some key points about the Burj Khalifa include:

It took six years to construct and was officially opened in January 2010.
The building was designed by the Chicago-based architectural firm Skidmore, Owings and Merrill (SOM).
It is part of a development called Downtown Dubai, which includes the Dubai Mall and the Dubai Fountain.
The building's design was inspired by the hymenocallis flower, a regional desert flower that has long petals extending from its center.
It has an observation deck called "At the Top" located on the 124th floor, which offers panoramic views of Dubai.
The Burj Khalifa has a Y-shaped floor plan that is intended to maximize views of the Arabian Gulf.
The building features a mix of uses, including office space, residential apartments, and a hotel. The hotel occupies floors 1 to 39, with the residences and office space occupying the remaining floors.
The tower held several world records upon its completion, including tallest building, tallest free-standing structure, highest number of stories, and highest occupied floor.

prompter: What Is the latitude and longitude of Dubai?

assistant: Te tallest building in the world is the Burj Khalifa, located in Dubai, United Arab Emirates. Its height is 828 meters (2,716 feet) and it has 163 floors. The Burj Khalifa held the title of the tallest building in the world since its completion in 2010, surpassing the previous record holder, Taipei 101, in Taiwan.

prompter: Are any other taller buildings going up and have some of those been completed?

assistant: Yes, there are several supertall skyscrapers under construction that aim to surpass the Burj Khalifa's height:

- Jeddah Tower in Saudi Arabia, projected to reach 1 kilometer (3,281 feet) tall with over 200 floors. Construction started in 2013 but has faced delays. If completed, it would be the tallest building in the world.
- Sky Mile Tower in Tokyo, Japan is projected to be 1 mile (1.609 km) tall with 80,000 residential units. However, construction has not started yet and the project faces many technical and financial challenges.
- China Zun Tower in Beijing, China is projected to reach 528 meters (1,732 feet) with 109 floors. Construction started in 2013 and was completed in 2018, making it the second tallest in Beijing.

Some other very tall towers have also recently been completed, including Shanghai Tower, Makkah Royal Clock Tower Hotel, and Guangzhou CTF Finance Centre. The race to build ever taller skyscrapers continues in the Middle East and Asia. However, many wonder if there is an ultimate limit given challenges around cost, safety, engineering constraints, and more.

assistant: Several structures taller than Burj Khalifa have started construction, but none have finished construction and none are currently under construction.

1. Nakheel Tower, also in Dubai (United Arab Emirates), started construction in 2008, even before Burj Khalifa finished construction, but never actually rose above ground. It's construction was limited to ground works. If completed, it would become the tallest building in the world with over 1000m in height and 200 floors.

2. Jeddah Tower, in Jeddah (Saudi Arabia), started construction in 2013, but construction halted in 2018. If completed, it would become the tallest building in the world with 1008m in height and 165 floors.

Notably, there is also a structure called Dubai Creek Tower. It started construction in 2016, but construction halted in 2020. If completed, it would become the tallest structure in the world with over 1300m in height. Note that Dubai Creek Tower is a supported tower and as such not classified as a building.

assistant: There are many tall buildings under construction or planned for construction as of early 2023. The tallest of these is the Jeddah Tower, located in Jeddah Saudi Arabia. It will be primarily residential space and is targeting a height of 1000 meters (3,281 ft) and 167. It's completion data is unknown at this time, however.

assistant: The tallest building in the world is the Burj Khalifa, located in Dubai, United Arab Emirates. The Burj Khalifa is 829.8 meters tall (2,717 feet 6 inches) and holds several world records, including:

* Tallest existing structure (previously KVLY-TV mast)
* Tallest freestanding structure (previously CN Tower)
* Most elevators in a single building (previously World Trade Center)

Construction of the Burj Khalifa began on January 12, 2004 and was completed in 2010.

prompter: Oh interesting, could you tell me more about the construction process? Is the building made of steel or concrete? What about the glass, how can engineers make sure the winds at the top don't break the building?

assistant: The tallest building in the world is the Burj Khalifa in Dubai, UAE.

The Burj Khalifa is about 828 meters tall (2127 feet). It started construction in 2004 and finished in 2009. The development cost 1.5 billion USD, and it has a neo-futuristic architecture style.

The Burj Khalifa is tall enough that it is occasionally half under the rain clouds and half above them. Whether the building is above the clouds depends on the type of cloud and its altitude. Wind speed increases with increasing height above the ground, and the wind gradient effect often means a 40% to 50% reduction of wind speed on the ground in cities, so the wind speed at the top of the Burj Khalifa may be twice as much as the typical wind speed in Dubai. However, the velocity of wind calculation for turbine engineering is `vw(h)=v_10*(h/h_10)^a`, where `v_10` is the wind speed 10 meters above the ground, and h_10 is 10 meters. a is a coefficient for the wind gradient depending on the location. `a` for stable air above human inhabited areas is 0.6, `a` is 0.34 for neutral air, and 0.27 for stable air. Plugging 828 meters into that gives 14, 4.5, and 3.3 times the air speed.

There are a few other skyscrapers being built that would take the title of tallest building in the world once completed, such as the Kingdom Tower in Jeddah, Saudi Arabia, or the Bride’s Tower in Iraq's Basra Province.

prompter: Are you telling me there is a skyscraper under construction in Iraq that will be taller than the Burj Khalifa?