9 Captivating Engineering Wonders Set to Emerge in 2025

Methane Monitoring for Everyone

All Illustrations: Greg Mably

High above, satellites monitor the alarming emissions of greenhouse gases that threaten to change our climate. Until now, this data was kept confidential, shared solely with corporations or governmental bodies. MethaneSAT is set to transform this situation. Launched on 4 March 2024, it will identify specific problematic regions and monitor methane emissions on a larger scale. Once fully operational in early 2025, this data will be accessible to all. Eager for an early look? You can currently check data from MethaneAIR, a research aircraft capable of collecting about a quarter of the data volume of MethaneSAT.

Remediating Millions of Liters of Radioactive Waste

In eastern Washington, the Hanford Site is experiencing leaks of radioactive nuclear waste resulting from the production of the first atomic bombs, contaminating the local ecosystem. A long-overdue cleanup initiative is about to commence, meant to capture this waste by transforming it into glass. This method, known as vitrification, demands temperatures exceeding 1,100 °C, akin to molten lava. The waste material is combined with silica and other components and heated in subterranean tanks to create molten glass, which is then solidified in containment vessels. Currently, the Hanford Vit Plant is in the “cold commissioning” stage, operational but testing with nonradioactive materials. If all proceeds as planned, actual cleanup activities will commence in 2025.

An Aircraft Anyone Can Operate

Typically, acquiring a private pilot license in the United States requires 55 hours of flight hours, excluding the weeks of ground training. Airhart Aeronautics aims to prepare individuals to pilot an aircraft in just one hour. Their innovative personal plane, the Airhart Sling, is engineered to be intuitive, secure, and straightforward to master. With a single control stick, pilots can simply indicate the direction they wish to travel, and the aircraft will follow suit, even during takeoffs and landings. The Sling’s onboard computer interprets these directions into engine and flight system commands. The inaugural test flight is slated for 2025, with deliveries to customers anticipated in 2026. With an initial price tag of US $500,000, however, it may be some time until the chance to fly becomes widely accessible.

The Prospects of Agriculture

Agricultural producers in India are encountering a monetary dilemma, exacerbated by financial commitments, extended supply chains, and environmental calamities. With modest landholdings of approximately 20,000 square meters constituting nearly 80 percent of India’s agrarian landscape, discovering a universal solution applicable to all farmers proves challenging. The answer lies in Agri Stack. This repository, developed by India’s Department of Agriculture and Farmer’s Welfare, will connect farmers and their lands with governmental entities and various enterprises, facilitating access to funds, information, and early alerts regarding natural disasters. Using a consistent framework known as the Unified Farmer Service Interface, agritech firms can create tools that are easily incorporated into the overall infrastructure. By early 2025, the government intends to have 60 million farmers registered on its platform, with the number set to increase as the year advances.

A Novel Reusable Rocket Launcher

SpaceX’s Falcon 9 and Falcon Heavy are the singular reusable rocket boosters currently available globally. However, a new contender is emerging: Rocket Lab’s Neutron. Set to launch in mid-2025, Neutron will be capable of transporting 13,000 kilograms to low earth orbit or 1,500 kg to Mars or Venus. It will feature a reusable booster crafted to reenter Earth’s atmosphere and safely land at its original launch site. To remain competitive, Neutron is aiming for a launch cost of US $50 million, slightly under Falcon 9’s $67 million pricing.

Lucrative Robotaxis

Robotaxis offer personalized, direct, and enjoyable journeys into the forthcoming era. Yet, due to safety apprehensions and cumbersome scaling efforts, no robotaxi enterprises have managed to turn a profit thus far. Nevertheless, the Chinese tech behemoth Baidu is optimistic that its Apollo Go robotaxis will achieve profitability in 2025. The fleet comprising around 500 taxis stands as the largest in China and is anticipated to expand as new vehicles are added in Wuhan by the close of 2024. Baidu has currently executed more than 7 million rides. According to the company, a pivotal factor for the service’s financial viability lies in the fact that the new sixth-generation automobiles are produced at a cost of only about US $28,000. Baidu plans to broaden its reach into Hong Kong, Singapore, and the Middle East.

30 Years of Java

2025 marks the 30th anniversary of the second most prevalent programming language globally, as indicated by our most recent Top Programming Languages analysis. Java, developed by James Gosling and released in May 1995, aimed to facilitate communication between various devices through programming. Unlike traditional compilers that convert code to operate on a particular computer, Java compilers convert code into bytecode that can be executed on any machine equipped with a Java virtual machine. The Java virtual machines subsequently interpret bytecode into commands for the device’s specific CPU. This concept is informally referred to as the “write once, run anywhere” principle, enabling Java’s extensive use on the web and its accessibility across a multitude of devices. Interested in learning Java? It’s not too late to begin your journey today!

Enhanced Memory for AI Systems

Generative AI requires vast amounts of rapid and efficient memory to sustain its remarkable progress. High-bandwidth memory (HBM), comprising a vertical stack of DRAM dies, is essential for the high-performance GPUs that train today’s most advanced AIs. The forthcoming iteration of high-bandwidth memory is HBM4, anticipated to stack up to 16 memory dies within a single module. Although its predecessor, HBM3E (where the “E” signifies “extended”), can technically support stacks of up to 16, only arrays of up to 12 have been made available. HBM4 will also feature a 2,048-bit interface and transfer data at 1.5 terabytes per second, enhancing HBM3E’s bandwidth by 33 percent. DRAM manufacturers are predicted to commence production of the initial HBM4 devices in 2025.

A New Moore’s Law Machine

The commercial application of extreme-ultraviolet (EUV) lithography, an essential tool for the most sophisticated computer chips, has only been in existence for a mere five years. Nevertheless, the semiconductor sector is already seeking the next iteration—high-numerical-aperture (NA) EUV. This method broadens the spectrum of angles available for the system to manipulate light, resulting in even greater resolution. The EUV tool manufacturer ASML and the European research organization Imec have collaboratively established the first high-NA EUV photolithography facility. They anticipate that chip producers will utilize their innovations to commence mass production by 2025 or 2026.