Data center types vary based on location and the workloads they manage

Most data centers rely on the local power grid to feed power-hungry computer equipment

These facilities house rows of vertical racks containing multiple types of hardware, including servers that provide 24/7 access to online applications, services, and data. In a hyperscale center with thousands of these racks, the annual electricity used is estimated to equal that of 400,000 electric vehicles.

View the layout and components that make up a typical data center

Alongside server rooms for the storage, processing, and transmission of data, data centers include climate control systems to manage the heat generated by microchips, backup systems to ensure systems can run during power outages, offices for on-site personnel, and monitoring and security stations to provide continuous protection against physical threats.

Today's massive data centers evolved from single-room mainframes

Punch card computers from the late 1940s were used to store and process a company's data locally before the advent of desktop computers. As the amount of data and company sizes increased alongside the miniaturization of technology, mainframes were replaced by local server rooms and external facilities with interconnected servers running cloud-based and AI software.

Microsoft's Azure cloud computing platform serves customers in 140 countries

Rather than owning and maintaining hardware on-premises, cloud computing enables users to access large reserves of storage and processing power over the internet, much like customers connect to a utility provider rather than generating their own electricity. This centralization also standardizes security tools and updates.

From 2014-25, US private sector data center investments have increased more than 25-fold

The annualized rate of US data center construction has ballooned from $1.6B to $41.1B, creating a market for data centers whose infrastructure costs and land, power, and transmission capacity demands rival those of offices and industrial facilities.

Explore a map of data centers worldwide

As of February 2026, the US has more data centers (over 4,000) than the next 15 countries combined, thanks to years of investment by cloud service providers and technology companies. The next largest data center footprints come from the UK and Germany, with about 500 facilities each, followed by China with about 370.

Data center companies are worsening housing undersupply in some regional markets

With large capital to spend, technology giants have disrupted the real estate market, driving up prices by outbidding commercial and residential developers and intensifying competition for available land. A property purchased over several years for $50M in Prince William County, Virginia, was sold to Amazon for $700M in 2025.

Modular data centers can be transported on a truck for rapid deployment

Bypassing the complications involved in building larger facilities over the course of several years, such as construction costs and permits, these pre-fabricated, self-contained pods, roughly the size of shipping containers, can carry thousands of graphics processing units for small- and medium-scale AI-related tasks.

Since 2022, two-thirds of data centers have been built in water-stressed areas

In residential evaporative cooling systems, 10% of consumed water is lost to evaporation compared to 80% in data centers. Although some companies have pledged to become water-positive—replenishing more freshwater than they consume—by 2030 through a transition to air cooling, only 10% of data center operators track water use across all their facilities.

The cloud relies on hardware infrastructure with real-world limits

While unlimited storage providers exist, this does not mean online storage is limitless, as it relies on servers, cables, power, and physical space, all of which are finite. However, the cloud seems infinite because the number of servers and data centers built outpaces demand. Storage solutions are also routinely replaced with more efficient options.

Amazon has fulfillment centers all over the world

Amazon fulfillment centers are the large warehouses where products that customers have ordered are stored, packed, and shipped. In order to efficiently manage inventory and process millions of orders each day, the centers rely heavily on advanced technology and robotics.

Wind energy is categorized into land-based, distributed, and offshore types

Distributed wind turbines efficiently serve on-site energy needs, while land-based turbines are large and generate cost-competitive electricity. Offshore wind turbines capture powerful winds above the ocean and may be pounded into the seafloor using pile drivers or built to float above water at scales larger than the Statue of Liberty.

Decentralized applications are blockchain-based and run without a central authority

These apps use smart contracts to automatically execute functions, ensuring security, transparency, and censorship resistance. Built on platforms like Ethereum, Solana, and Binance Smart Chain, DApps power DeFi, NFTs, gaming, and social media, offering users control over their data and assets.

Real estate investment firms handle enormous, complex real estate transactions

In the large-scale projects real estate investment firms handle (such as huge commercial developments), the parties involved in a sale are more likely to be large corporate real estate developers and investors than individuals.

Palantir's services allow both companies and the government to analyze complex data

There's a common misconception that Palantir buys, sells, and shares data, but Palantir insists it isn't a data broker. Rather, Palantir is more like a data analytics company that allows corporations and government agencies to combine messy, large, and often hard to access datasets to gather insights.

Smart cities support interdepartmental goals by facilitating shared infrastructure

Instead of working in isolation, municipal departments can share data, such as lighting and telecom needs, seamlessly and collaborate to solve larger-scale problems together. Integrating public feedback systems can further improve city services and sustainability.

View the ten basic cloud types, categorized by height and composition

Among the features of these types, cirrus clouds can display various colors at sunrise and sunset, while altocumulus clouds can produce a corona phenomenon around the sun or moon. Nimbostratus clouds are thick enough to block out the sun entirely.

WeWork makes money via flexible lease options

WeWork makes money by entering long-term leases with office buildings, then providing flexible lease options to its members on a short-term basis. Members get a refreshed, modern space to work in (with consistent coffee on tap, of course), and WeWork gets their consistent membership dues.

Off-Broadway and off-off-Broadway are about more than location

A Broadway theater is located in Manhattan and seats more than 500 people. Off-Broadway theaters have 100 to 499 seats, while off-off-Broadway theaters house up to 100.

Computex differs from E3, the now-defunct game-focused media expo

Unlike E3’s consumer- and media-driven focus on video games—before the event’s cancellation in 2023—Computex centers on computer and gaming hardware, with a focus on business-to-business meetings and industry partnerships.

A taxonomy of restaurant types

What's the difference between "fast food" and "fast casual"? Is there any real difference between a "diner" and a "family style restaurant"? This guide from DoorDash explores the industry's fine distinctions, along with some deeper dives into specific enterprises that found success.

Card issuers are financial institutions that open credit to customers, while card networks facilitate purchases between merchants and customers

Card issuers give customers credit cards, set rate limits, and collect payments. Card networks, on the other hand, dictate where credit cards can actually be used by managing relationships between the network and merchants. These networks make money on interchange fees, which merchants pay to accept a specific card network at their stores.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

Find out how companies decide which stock exchange to list on

Tech companies often prefer to list on the tech-focused Nasdaq, whereas more traditional organizations opt for the New York Stock Exchange. Sometimes the choice is made partly based on the services an exchange offers a company.

A centrally planned economy is one where the government—not markets—sets production

This Investopedia article explains how command economies work, which countries have used them, and why even market-based nations like the US sometimes adopt tools such as rationing or price controls during wartime or national emergencies.

Are people more or less productive when they work from home?

While some argue that people have fewer distractions while working from an office, making them more productive, others point to data showing some people are more productive when they eliminate their commutes and work from home instead.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.

Explore what it's like inside a patient isolation unit, used in situations such as treating a patient or suspected patient with Ebola.

Radioactive elements can introduce software errors because the ionizing radiation they produce can detach electrons from atoms, and computer code relies on the distribution of electrons.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

Watch how deep-sea mining equipment collects and processes polymetallic nodules—metal-rich, potato-shaped rocks—from the ocean floor and creates environmentally damaging plumes of sediments.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Animal phobias are likely the most common type of phobias, followed by an extreme fear of heights.

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

While El Niño moves warm Pacific Ocean waters east along the equator, La Niña moves them west, shifting where rainfall will become more common for months.

The boiling temperature of water decreases with increasing elevation because the molecules need less energy to overcome the lower atmospheric pressure associated with thinner air.

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in casualties, forces mobilized, and displacement of civilians.