A metamaterial panel that bends sound waves around an object, making it acoustically invisible. Unlike sound dampe…

A panel material containing an active metamaterial layer that destructively interferes with incoming sound waves acr…

Genetically engineered timber grown specifically for acoustic resonance. The cell structure is optimized through gene editing to produce wood with ideal stif…

A flexible material embedded with millions of electrochromic pixels that match surrounding colors and patterns in real…

The lightest solid material, aerogel is 99.8% air trapped in a nanoporous silica (or carbon, or polymer) matrix. Its thermal in…

…twork of carbon nanotubes forming one of the lightest solid materials ever created — 75 times lighter than styrofoam. Aerographite is electrically conductive, vibration…

A transparent ceramic harder than glass and resistant to ballistic impact. ALON windows protect armored vehicles, aircraft cockpits, and high-security observ…

…e (single-crystal alumina) serves as a scratch-proof window material for sensors and displays. Alumina substrates carry the circuitry in high-power electronic modules.

Lightweight and corrosion-resistant, aluminum is the default structural metal for aerospace and transportation. The energy cost of smelting has dropped drama…

A coating containing engineered bacteria that consume iron oxide (rust) and deposit a protective mineral layer in its place. Applied to steel structures, the…

Woven aramid fibers laminated with toughened epoxy into rigid panels. These offer excellent ballistic and fragment protection at low weight. Standard issue f…

A 3D-printable composite of hydroxyapatite, collagen analogs, and growth factors that, once implanted, is gradually remodeled into living bone by the patient…

Cement made from coal fly ash or volcanic ash mixed with lime — a recipe the Romans used two thousand years ago. The resulting concrete is cheaper than Portl…

Iron-nickel alloy sourced from asteroid mining operations, prized for its Widmanstatten crystalline pattern visible when etched. The pattern formed over mill…

A nanoporous membrane that selectively passes oxygen and nitrogen while blocking particulates, toxins, and pathogens. AFMs are installed in building ventilat…

A foam with a negative Poisson's ratio — it gets thicker perpendicular to the direction of compression instead of bulging outward. When struck, auxetic foam …

The workhorse plant of the lower tiers. Genetically accelerated bamboo variants grow to harvest height in weeks and provide structural lumber, woven textiles…

The most common rock on Earth's surface, basalt is increasingly used in fiber form as a cheaper alternative to carbon fiber. Basalt fiber reinforced polymers…

Cement produced by bacteria that precipitate calcium carbonate when fed nutrient solution. Mix bacteria, nutrients, and sand; wait a few days; get concrete. …

A substrate grown from engineered biological tissue interlaced with conductive pathways, combining the self-repair capabilities of living systems with electr…

A circuit board substrate designed to dissolve in water or soil within a programmed timeframe, leaving no electronic waste. The substrate is made from silk f…

Polymer fibers that contract with force and speed matching biological muscle when electrically stimulated. Bundles of bioelectric muscle fiber drive prosthet…

A panel containing engineered bioluminescent organisms that produce soft, natural light without electricity. Fed by a nutrient circulation system, the organi…

…ease forest scent when warmed by sunlight. A sensory design material for landscape architects and luxury property developers.

…fixtures. In 2200, birch plywood is one of the few natural materials cheap enough to compete with printed composites in mid-tier construction.

In hexagonal form, boron nitride is a soft, lubricating, heat-resistant ceramic used as a high-temperature release agent and electrical insulator. In cubic f…

A two-dimensional allotrope of boron with remarkable mechanical and electronic properties. Borophene is lighter and more flexible than graphene while offerin…

…20th century and persists in Tier 1 communities because the materials are literally free. Glass bottle walls admit light while providing thermal mass. The aesthetic ran…

Copper-zinc alloy with a warm golden color, excellent machinability, and antimicrobial surface properties. Brass dominates in ammunition casings, plumbing fi…

Copper-tin alloy valued for its low friction, corrosion resistance, and non-sparking properties. Bronze bushings and bearings remain standard in marine and e…

…of the weight. In 2200, carbon fiber is a mature commodity material used in everything from bicycle frames to orbital elevator cables. Automated layup has slashed cost…

Cylindrical carbon molecules with extraordinary tensile strength and electrical conductivity. CNT-reinforced composites form the structural members of orbita…

Carbon fibers in a carbon matrix, capable of withstanding temperatures above 2,000°C without losing strength. Carbon-carbon composites form the nose cones an…

…that lasts years when sealed with a waterproof coating. The material is free and infinitely available.

…bol indicating a household that can afford organic building materials over printed polymer panels.

A metal alloy with an engineered nanostructured surface layer that produces angle-dependent color shifts, similar to a soap bubble or oil film but permanent …

The element that makes stainless steel stainless. Chromium's oxide layer provides unmatched corrosion protection, and decorative chrome plating remains popul…

An ancient material still vital in 2200. Kaolin feeds the ceramics industry, bentonite seals landfills and drilling ope…

Essential for superalloys, cutting tools, and battery cathodes. Cobalt supply has been a geopolitical flashpoint since the 21st century, and corponation cont…

…blocks and bound with wire or polymer straps. Used as fill material, temporary barriers, and even structural walls in the most desperate Tier 1 construction. The block…

The most consumed material on Earth after water. Concrete in 2200 incorporates self-healing bacteria, carbon-capture additives…

Polymers engineered to conduct electricity, bridging the gap between metals and plastics. Conductive polymers enable flexible circuits, organic solar cells, …

Essential for electrical wiring and heat exchangers, copper demand has never been higher. Mining operations on Luna and in deep-ocean nodule fields supplemen…

…months. Tier 1 coastal communities grow their own building material in the ocean, harvesting blocks when they reach sufficient density. Quality depends on water temper…

Genetically optimized cotton strains produce fiber in climate-controlled vertical farms, reducing water usage by 90% compared to 21st-century field cultivati…

Coral grown in controlled aquaculture environments using genetically optimized polyp strains. The coral grows into predetermined shapes and colors — pink, re…

…impact. DU penetrator rods punch through armor by shedding material in a way that keeps the tip sharp. Controversial due to radioactive dust contamination, DU remains…

Materials built atom-by-atom using molecular manufacturing, achieving the crystal structure of diamond in ar…

Synthetic DNA sequences encoding digital data, encapsulated in silica nanospheres for long-term storage. A gram of DNA substrate stores 215 petabytes of data…

Layered stacks of paper, cardboard, or old magazines wrapped tightly in duct tape. Surprisingly effective against low-velocity stab attacks and some small-ca…

Solder recovered from electronic waste by melting and straining circuit boards. The resulting alloy is an unpredictable mix of tin, lead, silver, and copper …

…sical instrument components, inlay work, and as a statement material in executive accessories like pen cases and cufflinks.

A flexible panel that generates powerful electrostatic adhesion to any surface when powered. Used in climbing systems, cargo securing, and robotic wall-crawl…

A thin polymer film that changes shape when voltage is applied, functioning as a lightweight, silent actuator. EAPs drive haptic feedback in gloves, adaptive…

Glass that changes its tint in response to electrical signals, controlling light and heat transmission. Electrochromic windows have replaced blinds and curta…

Delicate gold structures electroformed onto a dissolving substrate to create intricate lace-like metalwork. The resulting gold lace is used in haute couture,…

Artificially structured materials with electromagnetic properties not found in nature. Metamaterial arrays can bend light around obj…

A surface treatment that uses periodic electrostatic pulses to repel dust, dirt, and biological contaminants. Originally developed for solar panels in dusty …

A steel alloy with embedded metamaterial microstructure that allows radio waves, Wi-Fi, and other electromagnetic signals to pass through wi…

A polymer surface embedded with biosensors that detect the emotional state of nearby individuals through galvanic skin response, heart rate, and pheromone an…

Resin engineered to perfectly replicate natural amber's warm color, light transmission, and electromagnetic properties, but with controlled inclusions — real…

…nto a hard, chemically resistant solid. Epoxy is the matrix material in most fiber-reinforced composites and the standard structural adhesive across all industries. Adv…

…thin, strong shells. Ferrocement requires minimal skill and materials to produce structures of surprising strength. Boat hulls, water tanks, and small buildings are con…

Armor containing magnetorheological ferrofluid that hardens instantaneously when a magnetic field is applied. Sensors detect incoming threats and activate th…

…ower tiers, fiberglass panels are the default wall and roof material for prefabricated housing.

A nanostructured steel alloy that combines the hardness and strength of conventional steel with rubber-like flexibility. Flexisteel beams can deflect 30 degr…

A wide-bandgap semiconductor that handles higher voltages, frequencies, and temperatures than silicon. GaN powers the efficient power converters, 5G+ base st…

Terrazzo flooring in which the aggregate chips are semi-precious gemstones — amethyst, citrine, lapis lazuli, jade — rather than ordinary marble. The floor i…

…ectrochromic tinting, embedded photovoltaics — but the base material remains fundamentally the same silicate composition used for millennia. Every tier uses glass; only…

Gold's conductivity, corrosion immunity, and cultural significance keep it relevant in 2200. It plates connector pins in high-reliability electronics, lines …

…d mica, granite remains the premier countertop and cladding material for Tier 3+ construction. Its hardness and resistance to weathering make it effectively permanent.…

…arranged in a hexagonal lattice. Graphene is the strongest material ever measured, an excellent conductor, and nearly transparent. In 2200, industrial-scale graphene p…

The lightest structural material ever created, combining graphene's strength with aerogel's air-like density. A block the size of a…

A metamaterial composite whose internal structure partially decouples it from gravitational fields through quantum…

…orrosion by acids, alkalis, and saltwater. Hastelloy is the material of last resort in chemical processing where everything else dissolves. Pharmaceutical synthesis rea…

…d for pipes, containers, and packaging. HDPE is the default material for water distribution pipes in Tier 1-3 infrastructure. Its chemical resistance makes it the stand…

A paint containing microscopic holographic particles that project depth and motion effects from a flat surface. A wall coated in holographic paint appears to…

An alloy that absorbs hydrogen gas like a sponge absorbs water, storing it safely at low pressure in the metal's crystal lattice. Heating the alloy releases …

The mineral component of human bone, synthesized for use in medical implants and tissue engineering. Hydroxyapatite coatings on titanium implants promote bon…

A nickel-chromium superalloy that maintains strength at extreme temperatures. Inconel lines fusion reactor chambers, forms turbine blades, and withstands the…

A non-Newtonian fluid engineered to absorb extreme deceleration forces by distributing impact energy across its entire volume through pressure wave propagati…

Raw iron is rarely used in its pure form in 2200, but cast iron still finds applications in engine blocks, cookware, and counterweights where its density and…

An aramid fiber five times stronger than steel by weight, Kevlar is synonymous with ballistic protection. Body armor, helmets, and stab-resistant gloves all …

Dense, soft, and cheap, lead persists in radiation shielding, ballast, and ammunition despite centuries of health warnings. Lower-tier communities still enco…

Real animal leather is a luxury material in 2200, with most applications served by synthetic or mushroom-based alternatives. Genuine leather…

A sedimentary rock that serves as the primary raw material for cement and concrete production. Limestone quarries operate around the clock feeding the constru…

…osts dramatically. The bacteria also absorb CO2, making the material carbon-negative over its lifetime.

Genetically modified trees engineered to grow into predetermined shapes — furniture, structural beams, even building frames — without cutting or machining. A…

…g blocks manufactured on Luna from sintered lunar soil. The material itself is unremarkable — essentially compressed moon dust — but its provenance makes it a status sy…

A platform containing permanent magnets and superconducting elements arranged to levitate objects in stable suspension above the surface. Used to display jew…

Alloys that change shape in response to magnetic fields rather than temperature, enabling much faster actuation than thermal shape-memory alloys. MSMAs drive…

An alloy that heats up when magnetized and cools when demagnetized, enabling solid-state refrigeration without compressors or refrigerant gases. Magnetocalor…

Nearly extinct in the wild, mahogany is now exclusively plantation-grown under corponation forestry licenses. Its reddish hue and easy machinability make it …

…a light color that takes stain well. Maple is the standard material for bowling lanes, butcher blocks, and gym floors in Tier 3+ facilities. Its figured variants — bir…

Metamorphosed limestone prized for its veined patterns and translucency. Marble floors and wall panels are a defining feature of corponation headquarters and…

A viscoelastic polyurethane foam that conforms to body shape under heat and pressure, then slowly recovers. Originally developed for spacecraft seats, memory…

Crystalline materials made of metal ions linked by organic molecules, creating structures with enormous internal surface…

…ed arrangement instead of forming crystals. The result is a material with the strength of steel, the elasticity of plastic, and zero grain boundaries to initiate corros…

A flexible textile woven with metamaterial fibers that bend electromagnetic radiation around the wearer. Military versions operate across rada…

…e city's founding. Mnemic Clay is a dense, cool, slate-gray material with the consistency of wet clay. It is unremarkable to look at. It is not unremarkable to touch.…