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735 facts in Technology. Click any fact to see its full page.
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Rebar (reinforced steel in concrete) was invented in the 1850s — transforming the strength of concrete construction.
Tensile fabric structures — like stadium roofs — use membranes under tension to span vast distances.
Dampers in skyscrapers — giant pendulums or liquid tanks — absorb wind and seismic energy.
Dubai's Burj Khalifa sways up to 1.5 meters at the top — by design — to absorb wind stress.
The world's tallest wooden building is the Ascent tower in Milwaukee — 25 stories of mass timber.
The Three Gorges Dam displaced 1.24 million people — the largest forced displacement by a construction project.
Tensegrity structures — using continuous tension and discontinuous compression — were pioneered by Buckminster Fuller.
Record players work by a needle tracing physical grooves in vinyl — each groove modulation corresponds to a sound wave.
Large language models like GPT-4 can pass bar exams, medical licensing exams, and code complex software.
Precision fermentation creates animal proteins — like casein and whey — using microbes instead of cows.
Social credit systems — scoring citizens based on behavior — are in use in China and being discussed elsewhere.
Power-to-X technology converts excess renewable electricity into hydrogen, ammonia, or synthetic fuels for storage.
Neural lace — injectable mesh electronics — could enable continuous brain monitoring without surgery.
The first quantum satellite — Micius — demonstrated quantum entanglement over 1,200 km in 2017.
Swarm robotics — large numbers of simple robots coordinating — can accomplish tasks impossible for single machines.
mRNA technology used in COVID vaccines is now being applied to cancer, HIV, and heart disease treatment.
Lidar sensors used in autonomous vehicles build a 3D point cloud of the environment 100+ times per second.
Photonic computing — using light instead of electrons — promises orders of magnitude faster processing.
The global semiconductor shortage of 2020–2022 exposed the fragility of just-in-time global supply chains.
Digital twins — virtual replicas of physical systems — allow engineers to simulate and optimize before building.
Augmented reality contact lenses are in development — projecting information directly onto the visual field.
Lab-grown meat (cultivated meat) is now commercially available — it requires 95% less land and 70% less water than conventional meat.
Hypersonic weapons travel at Mach 5+ and maneuver unpredictably — rendering current missile defense systems ineffective.
Carbon nanotube fibers could create a space elevator — a cable from Earth's surface to geostationary orbit.
Vertical farming uses LED lighting and hydroponics to grow crops in urban buildings — year-round and without pesticides.
The metaverse concept envisions fully immersive digital worlds as persistent social environments.
Autonomous weapons — drones and robots that select and engage targets without human intervention — are being developed by multiple countries.
AI-generated deepfakes can now produce real-time video of non-existent people indistinguishable from real footage.
The global data created annually exceeds the total data created from the dawn of civilization to 2003.
Brain-computer interfaces have allowed paralyzed patients to type using thought alone at 90 words per minute.
Artificial general intelligence (AGI) — AI matching human-level reasoning across all domains — has no agreed timeline.
Quantum computing could break most current encryption within decades — post-quantum cryptography is already being developed.
Research on universal basic income pilots shows improvements in mental health, food security, and educational outcomes.
The 'digital divide' — unequal access to technology — reinforces existing socioeconomic inequalities.
The average American will spend 6 months of their life sitting at red lights.
Machine translation has improved dramatically since the introduction of transformer neural networks in 2017.
Text messaging (SMS) started in 1992 — the first text said 'Merry Christmas.'
The Soviet Union had a program to train dolphins as military assets — kamikaze dolphins armed with explosives.
The world produces more energy from solar and wind than from nuclear power — a milestone reached around 2021.
Wireless electricity transmission was demonstrated by Nikola Tesla — but energy losses have prevented commercial use.
The Three Gorges Dam in China is the world's largest power station — generating 88.2 terawatt-hours per year.
The first commercial offshore wind farm was Vindeby, off the coast of Denmark, opened in 1991.
The electrical grid requires supply and demand to be matched in real time — imbalance causes outages.
Offshore wind turbines generate more electricity than onshore ones — wind is stronger and steadier over water.
The average American home uses about 10,500 kWh of electricity per year.
Oil refineries produce over 2,000 products from crude oil — from plastics to pharmaceuticals to jet fuel.
Pumped hydro storage — pumping water uphill when power is cheap, releasing it when needed — is the world's largest form of energy storage.
The global energy system transitions from one fuel to another every 50–100 years — wood to coal to oil to renewables.
The world's largest solar farm, Bhadla Solar Park in India, covers 56 square kilometers.
Hydrogen fuel cells convert hydrogen and oxygen into electricity — producing only water as waste.