microphones, inductors, Charles Steinmetz, Henry Ford, engineering anecdotes, electrical engineering, innovation, inspiration, storytelling ## The Legacy of Charles Steinmetz: An Ingenious Fixer In the world of electrical engineering, stories of innovation and brilliance often blend into the fabric of legends. One such tale is that of Charles Steinmetz, a remarkably gifted engineer who left...

432 Park Avenue | © Halkin Mason Photography, Courtesy of Rafael Viñoly Architects Located in Midtown Manhattan, 432 Park Avenue is a prominent figure in the evolution of supertall residential towers. Completed in 2015, this 1,396-foot-high building by Rafael Viñoly Architects asserts a commanding presence over the city’s skyline. Its minimalist form and rigorous geometry have sparked considerable debate within the architectural community, marking it as a significant and controversial addition to New York City’s built environment. 432 Park Avenue Technical Information Architects1-8: Rafael Viñoly Architects Location: Midtown Manhattan, New York City, USA Gross Area: 38,344 m2 | 412,637 Sq. Ft. Project Years: 2011 – 2015 Photographs: © Halkin Mason Photography, Courtesy of Rafael Viñoly Architects It’s a building designed for the enjoyment of its occupants, not for the delight of its creator. – Rafael Viñoly 432 Park Avenue Photographs © Halkin Mason Photography, Courtesy of Rafael Viñoly Architects Courtesy of Rafael Viñoly Architects Courtesy of Rafael Viñoly Architects Courtesy of Rafael Viñoly Architects Courtesy of Rafael Viñoly Architects Design Intent and Conceptual Framework At the heart of 432 Park Avenue’s design lies a commitment to pure geometry. The square, an elemental form, defines every aspect of the building, from its floor plate to its overall silhouette. This strict adherence to geometry speaks to Viñoly’s rationalist sensibilities and interest in stripping architecture to its fundamental components. The tower’s proportions, with its height-to-width ratio of roughly 1:15, transform this simple geometry into a monumental presence. This conceptual rigor positions the building as an object of formal clarity and a deliberate statement within the city’s varied skyline. The design’s minimalism extends beyond the building’s shape, reflecting Viñoly’s pursuit of a refined and disciplined expression. Eschewing decorative flourishes, the tower’s form directly responds to programmatic needs and structural imperatives. This disciplined approach underpins the project’s ambition to redefine the experience of vertical living, asserting that luxury in residential design can emerge from formal simplicity and a mastery of proportion. Spatial Organization and Interior Volumes The interior organization of 432 Park Avenue reveals an equally uncompromising commitment to clarity and openness. Each residential floor is free of interior columns, a testament to the structural ingenuity of the concrete exoskeleton. This column-free arrangement grants unobstructed floor plans and expansive panoramic views of the city, the rivers, and beyond. Floor-to-ceiling windows, measuring nearly 10 feet in height, accentuate the sense of openness and lightness within each residence. The tower’s slender core houses the vertical circulation and mechanical systems, ensuring the perimeter remains uninterrupted. This core placement allows for generous living spaces that maximize privacy and connection to the urban landscape. The interplay between structural precision and panoramic transparency shapes the experience of inhabiting these spaces. The result is a sequence of interiors that privilege intimacy and vastness, anchoring domestic life within an architectural expression of purity. Materiality, Structural Clarity, and Detailing Material choices in 432 Park Avenue reinforce the project’s disciplined approach. The building’s exposed concrete frame, treated as structure and façade, lends the tower a stark yet refined character. The grid of square windows, systematically repeated across the height of the building, becomes a defining feature of its visual identity. This modular repetition establishes a rhythmic order and speaks to the building’s underlying structural logic. High-strength concrete enables the tower’s slender profile and exceptional height while imparting a tactile materiality that resists the glassy anonymity typical of many contemporary towers. The restrained palette and attention to detail emphasize the tectonic clarity of the building’s assembly. By treating the structure itself as an architectural finish, Viñoly’s design elevates the material expression of concrete into a fundamental element of the building’s identity. Urban and Cultural Significance As one of the tallest residential buildings in the Western Hemisphere, 432 Park Avenue has significantly altered the Manhattan skyline. Its unwavering verticality and minimal ornamentation create a dialogue with the city’s diverse architectural heritage, juxtaposing a severe abstraction against a backdrop of historic and contemporary towers. 432 Park Avenue occupies a distinctive place in the ongoing narrative of New York City’s architectural evolution. Its reductive form, structural clarity, and spatial generosity offer a compelling study of the power of minimalism at an urban scale. 432 Park Avenue Plans Floor Plans | © Rafael Viñoly Architects Floor Plans | © Rafael Viñoly Architects Floor Plans | © Rafael Viñoly Architects Floor Plans | © Rafael Viñoly Architects 432 Park Avenue Image Gallery © Rafael Viñoly Architects About Rafael Viñoly Architects Rafael Viñoly, a Uruguayan-born architect (1944–2023), founded Rafael Viñoly Architects in New York City in 1983. After studies in Buenos Aires and early practice in Argentina, he relocated to the U.S.. He established a global firm with offices in cities including London, Palo Alto, and Abu Dhabi. Renowned for large-scale, function-driven projects such as the Tokyo International Forum, Cleveland Museum of Art expansions, and 432 Park Avenue, the firm is praised for combining structural clarity, context-sensitive design, and institutional rigor across six continents. Credits and Additional Notes Client: Macklowe Properties and CIM Group Design Team: Rafael Viñoly (Architect), Deborah Berke Partners (Interior Design of residential units), Bentel & Bentel (Amenity Spaces Design) Structural Engineer: WSP Cantor Seinuk Mechanical, Electrical, and Plumbing Engineers: Jaros, Baum & Bolles (JB&B) Construction Manager: Lendlease Height: 1,396 feet (425.5 meters) Number of Floors: 96 stories Construction Years: 2011–2015

In a nutshell: As nations set ever more ambitious targets for renewable energy and electrification, the humble high-voltage cable has emerged as a linchpin – and a potential chokepoint – in the race to decarbonize the global economy. A Bloomberg interview with Claes Westerlind, CEO of NKT, a leading cable manufacturer based in Denmark, explains why. A global surge in demand for high-voltage electricity cables is threatening to stall the clean energy revolution, as the world's ability to build new wind farms, solar plants, and cross-border power links increasingly hinges on a supply chain bottleneck few outside the industry have considered. At the center of this challenge is the complex, capital-intensive process of manufacturing the giant cables that transport electricity across hundreds of miles, both over land and under the sea. Despite soaring demand, cable manufacturers remain cautious about expanding capacity, raising questions about whether the pace of electrification can keep up with climate ambitions, geopolitical tensions, and the practical realities of industrial investment. High-voltage cables are the arteries of modern power grids, carrying electrons from remote wind farms or hydroelectric dams to the cities and industries that need them. Unlike the thin wires that run through a home's walls, these cables are engineering marvels – sometimes as thick as a person's torso, armored to withstand the crushing pressure of the ocean floor, and designed to last for decades under extreme electrical and environmental stress. "If you look at the very high voltage direct current cable, able to carry roughly two gigawatts through two pairs of cables – that means that the equivalent of one nuclear power reactor is flowing through one cable," Westerlind told Bloomberg. The process of making these cables is as specialized as it is demanding. At the core is a conductor, typically made of copper or aluminum, twisted together like a rope for flexibility and strength. Around this, manufacturers apply multiple layers of insulation in towering vertical factories to ensure the cable remains perfectly round and can safely contain the immense voltages involved. Any impurity in the insulation, even something as small as an eyelash, can cause catastrophic failure, potentially knocking out power to entire cities. // Related Stories As the world rushes to harness new sources of renewable energy, the demand for high-voltage direct current (HVDC) cables has skyrocketed. HVDC technology, initially pioneered by NKT in the 1950s, has become the backbone of long-distance power transmission, particularly for offshore wind farms and intercontinental links. In recent years, approximately 80 to 90 percent of new large-scale cable projects have utilized HVDC, reflecting its efficiency in transmitting electricity over vast distances with minimal losses. But this surge in demand has led to a critical bottleneck. Factories that produce these cables are booked out for years, Westerlind reports, and every project requires custom engineering to match the power needs, geography, and environmental conditions of its route. According to the International Energy Agency, meeting global clean energy goals will require building the equivalent of 80 million kilometers (around 49.7 million miles) of new grid infrastructure by 2040 – essentially doubling what has been constructed over the past century, but in just 15 years. Despite the clear need, cable makers have been slow to add capacity due to reasons that are as much economic and political as technical. Building a new cable factory can cost upwards of a billion euros, and manufacturers are wary of making such investments without long-term commitments from utilities or governments. "For a company like us to do investments in the realm of €1 or 2 billion, it's a massive commitment... but it's also a massive amount of demand that is needed for this investment to actually make financial sense over the next not five years, not 10 years, but over the next 20 to 30 years," Westerlind said. The industry still bears scars from a decade ago, when anticipated demand failed to materialize and expensive new facilities sat underused. Some governments and transmission system operators are trying to break the logjam by making "anticipatory investments" – committing to buy cable capacity even before specific projects are finalized. This approach, backed by regulators, gives manufacturers the confidence to expand, but it remains the exception rather than the rule. Meanwhile, the industry's structure itself creates barriers to rapid expansion, according to Westerlind. The expertise, technology, and infrastructure required to make high-voltage cables are concentrated in a handful of companies, creating what analysts describe as a "deep moat" that is difficult for new entrants to cross. Geopolitical tensions add another layer of complexity. China has built more HVDC lines than any other country, although Western manufacturers, such as NKT, maintain a technical edge in the most advanced cable systems. Still, there is growing concern in Europe and the US about becoming dependent on foreign suppliers for such critical infrastructure, especially in light of recent global conflicts and trade disputes. "Strategic autonomy is very important when it comes to the core parts and the fundamental parts of your society, where the grid backbone is one," Westerlind noted. The stakes are high. Without a rapid and coordinated push to expand cable manufacturing, the world's clean energy transition could be slowed not by a lack of wind or sun but by a shortage of the cables needed to connect them to the grid. As Westerlind put it, "We all know it has to be done... These are large investments. They are very expensive investments. So also the governments have to have a part in enabling these anticipatory investments, and making it possible for the TSOs to actually carry forward with them."