Explainers
How things work, at two reading levels. Switch between beginner and expert on any page.
- AI for science in 2026: a crash courseA crash course on AI for science: protein prediction and design, AI weather models, materials and drug discovery, autonomous labs.Updated
- AI safety and alignment in 2026: a crash courseA sourced crash course on AI safety: alignment, interpretability, evaluations, oversight, safety institutes and the 2026 frontier.Updated
- Cancer immunotherapy in 2026: a crash courseA sourced crash course on cancer immunotherapy in 2026: checkpoint inhibitors, CAR-T, bispecifics, mRNA cancer vaccines and the solid-tumour frontier.Updated
- Carbon budgets explained: how much CO2 is left for 1.5 °CWhat a carbon budget is, why warming tracks cumulative CO2, how much is left for 1.5 °C as of 2026, and why carbon removal enters the picture.Updated
- Casual and mobile gaming by the numbers (2026)How big casual and mobile gaming is in 2026 according to Newzoo, Sensor Tower and the ESA, which titles lead and why the estimates differ.Updated
- What the CLARITY Act does: SEC vs CFTC and digital commoditiesA plain guide to the CLARITY Act: how it splits crypto oversight between the SEC and CFTC, what a digital commodity is, and where the bill stands in 2026.Updated
- CLARITY Act vs GENIUS Act: how the two crypto laws fit togetherThe GENIUS Act regulates stablecoins and is law; the CLARITY Act would regulate crypto markets and is stalled. How they connect, including the yield fight.Updated
- Climate science and carbon removal in 2026: a crash courseA sourced crash course on climate science and carbon removal: warming, carbon budgets, tipping points, direct air capture, markets and the 2026 frontier.Updated
- Climate tipping points: coral reefs, AMOC, ice sheets and the AmazonWhat climate tipping points are, why scientists say coral reefs are passing one, and what is known about AMOC, ice sheet and Amazon risks in 2026.Updated
- Next-gen computing hardware in 2026: a crash courseA crash course on computing beyond conventional chip scaling: GAA transistors, backside power, chiplets, optical links, neuromorphic and analog compute.Updated
- Post-quantum cryptography and security in 2026: a crash courseA sourced crash course on post-quantum cryptography: the quantum threat, NIST's new standards, deployment, migration deadlines and AI in security.Updated
- Custom and proxy trading cards: what's allowed in 2026What custom and proxy trading cards are, what Wizards of the Coast and Pokémon rules allow, and how printing services handle IP, as of October 2026.Updated
- Dark matter and dark energy, explainedWhat dark matter and dark energy are, how we know they exist, how scientists search for them, and what the 2025-26 DESI and LZ results showed.Updated
- Do 480Hz and 720Hz monitors matter? What the evidence saysWhat refresh rate is, why 720Hz monitors exist, and what controlled studies say about gains beyond 144, 240 and 360Hz for gamers.Updated
- Batteries and energy storage in 2026: a crash courseA sourced crash course on batteries and energy storage: lithium-ion, LFP vs NMC, solid-state, sodium-ion, grid storage and supply chains as of October 2026.Updated
- Frontier AI in 2026: a crash courseA crash course on frontier AI in 2026: how reasoning models and AI agents work, who builds them, and where the frontier stands now.Updated
- Fusion energy in 2026: a crash courseA sourced crash course on fusion energy: tokamaks, stellarators, laser fusion, HTS magnets, private companies and the frontier as of October 2026.Updated
- Fusion's engineering wall: tritium fuel and neutron-proof materialsWhy tritium supply, breeding blankets and 14 MeV neutron damage are among fusion's hardest remaining problems, and what is being built to solve them.Updated
- Gaming hardware in 2026: a crash courseA sourced crash course on 2026 gaming hardware: 720Hz monitors and whether they help, gaming soundbars, and games in cars with the safety rules.Updated
- Gaming soundbars explained: latency, eARC, VRR passthroughWhat matters when choosing a soundbar for gaming: audio latency, HDMI eARC, 4K 120Hz and VRR passthrough, ALLM and virtual surround, explained.Updated
- Gene editing in 2026: a crash courseA sourced crash course on CRISPR, base and prime editing, delivery, approved therapies like Casgevy and where gene editing stands in October 2026.Updated
- GLP-1 outcome trials explained: heart, kidney, liver and beyondWhat the big GLP-1 outcome trials (SELECT, FLOW, ESSENCE, SURMOUNT-OSA, SURPASS-CVOT, evoke) found, how to read them, and what regulators approved.Updated
- The hallmarks of aging, explainedWhat the twelve hallmarks of aging are, how scientists decide what counts as one, and why the framework is useful but contested.Updated
- Harvest now, decrypt later: why the quantum threat is already hereHow attackers can store encrypted data today to decrypt with a future quantum computer, which data is at risk, and why it drives migration deadlines.Updated
- How 2D materials work: graphene, stacks and twistsGraphene and other atom-thin crystals behave unlike bulk materials. How they are made, stacked and twisted, and what they could do for chips.Updated
- How anti-aging interventions are tested, from mice to peopleWhy testing drugs against aging is hard: mouse lifespan studies, dog trials, human trial designs like TAME, and the lack of a regulatory route for aging drugs.Updated
- How AI agents workWhat an AI agent is and how it works: language models using tools in a loop, computer use, MCP connectors and long tasks.Updated
- How frontier AI capabilities are measuredHow researchers measure what frontier AI can do: benchmarks like SWE-bench, Humanity's Last Exam and ARC-AGI, and METR time horizons.Updated
- How AI designs new proteins, drugs and materialsHow generative AI proposes new proteins, drug molecules and crystals, and why every design still has to be made and tested in a lab.Updated
- How AI predicts protein structuresWhy a protein's 3D shape matters, how AlphaFold-style models predict it from sequence, and what they still get wrong.Updated
- How AI safety testing works: evals, red teams and thresholdsHow frontier AI models are tested before release: dangerous-capability evals, jailbreak red-teaming, and why testing got harder.Updated
- How AI weather models workHow machine-learning weather models learn from decades of past weather, why they are so fast, and how forecasters now use them.Updated
- How biomanufacturing worksFrom engineered strain to shipping product: fermenters, scale-up steps, and why pilot-plant capacity is the bottleneck for biomanufacturing in 2026.Updated
- How is bitcoin's price determined? Supply, demand and halvingsWhy bitcoin's price moves: a fixed supply, trading on many exchanges, leverage, ETF flows and interest rates. A plain guide with dated 2026 examples.Updated
- How brain-computer interfaces workMeasure, decode, control: how a brain-computer interface turns neural activity into cursor movement, text or a synthesized voice, and how it is measured.Updated
- How brain mapping and connectomics workHow scientists map every neuron and synapse with electron microscopy and AI, from the whole fly brain to a cubic millimetre of mouse and human cortex.Updated
- How cancer vaccines work, from shared antigens to personalised mRNAHow therapeutic cancer vaccines differ from preventive ones, how personalised mRNA neoantigen vaccines are made, and what trials show as of 2026.Updated
- How CAR-T cell therapy worksHow CAR-T cells are made from a patient's own T cells, why they cause cytokine release syndrome, and why solid tumours are harder, at two reading levels.Updated
- How advanced chips are madeA step-by-step guide to making advanced chips: design software, wafer fabrication, lithography and packaging, at beginner and expert level.Updated
- How climate models and attribution science workHow climate models simulate the Earth, how scientists know warming is human-caused, and how rapid attribution links heatwaves to climate change.Updated
- How console emulation works, from the PS1 to the PS5What an emulator does, why the BIOS and firmware matter, and why PS4 and PS5 emulators run game code natively and translate graphics instead.Updated
- How CRISPR gene editing works: cutting, base and prime editingHow CRISPR-Cas9 finds and cuts DNA, how base and prime editors change DNA without double-strand breaks, and why the difference matters for safety.Updated
- How DNA synthesis and assembly workSynthetic biology starts by writing DNA. How oligos, genes and whole chromosomes are made and stitched together, and what limits length and cost.Updated
- How epigenetic clocks and aging biomarkers workHow DNA methylation clocks such as Horvath, GrimAge and DunedinPACE estimate biological age, how reliable they are, and why validation matters.Updated
- How exoplanets are found, and how we look for signs of lifeTransits, wobbles, microlensing and direct imaging: how astronomers have found more than 6,000 exoplanets, and how they read alien atmospheres.Updated
- What a Fed rate hike or cut does to markets, mortgages and loansHow Federal Reserve rate hikes and cuts reach stocks, bonds, mortgages and credit lines, explained simply and in depth, with 2026 figures.Updated
- How fusion worksHow nuclear fusion releases energy, why it needs 150 million degrees, and what the triple product, ignition and Q actually measure.Updated
- How game mechanics work: loops, progression, loot and difficultyA sourced crash course on core game mechanics: loops, progression, randomness and loot, and difficulty, with the research behind them.Updated
- How gene therapies are delivered: ex vivo, viral vectors and LNPsHow gene editors and gene therapies reach cells: editing cells outside the body, viral vectors like AAV and lentivirus, and lipid nanoparticles.Updated
- How genetic circuits workGenetic circuits make cells compute: sensors, logic and output genes built from DNA parts. How they are designed and how 2026 changed the method.Updated
- How global warming is measured: temperature and key indicatorsHow scientists measure global warming: temperature datasets, the 1850–1900 baseline, ocean heat, energy imbalance, sea level and CO2, as of October 2026.Updated
- How GLP-1 drugs workHow incretin hormones like GLP-1 and GIP control insulin and appetite, and how drug designers stretched them into weekly shots, pills and multi-agonists.Updated
- How grid-scale energy storage worksHow power grids store electricity: lithium batteries, pumped hydro, flow batteries and multi-day iron-air storage, with US and global data for 2025-2026.Updated
- How large language models workA plain guide to large language models: the Transformer, scaling laws and human-feedback training, at beginner and expert level.Updated
- How lipid nanoparticles deliver RNALipid nanoparticles carry mRNA and siRNA into cells. Their four ingredients, how they escape the endosome, and why most end up in the liver.Updated
- How lithium-ion batteries workHow a lithium-ion cell stores and releases energy: anode, cathode, electrolyte, separator, intercalation, dendrites, and how the technology was invented.Updated
- How mechanistic interpretability works: looking inside AIHow researchers reverse-engineer AI models: features, sparse autoencoders, circuit tracing and the 2026 Jacobian lens.Updated
- How mRNA vaccines workHow an mRNA vaccine turns a genetic message into an immune response, why modified nucleosides mattered, and what the platform can and cannot do.Updated
- How scientists record brain activityFrom scalp caps to electrodes inside the cortex: how neural recording works, what each method can see, and the trade-off between signal and surgery.Updated
- How optical interconnects and silicon photonics workWhy data centers are replacing copper and pluggable transceivers with light, and how silicon photonics, optical chiplets and co-packaged optics work.Updated
- How particle colliders workHow particle accelerators and colliders work: radiofrequency cavities, superconducting magnets, luminosity, detectors, and why physicists want bigger machines.Updated
- How perovskite solar cells workPerovskites are cheap-to-make crystals that turn light into electricity. How they work, why tandems beat silicon, and why durability is the catch.Updated
- How post-quantum cryptography worksLattices, hashes and codes: the math behind post-quantum algorithms, how key encapsulation and signatures work, and the trade-offs in size and safety.Updated
- How quantum computers break encryptionWhy Shor's algorithm threatens RSA and elliptic-curve cryptography, why AES survives, and how fast attack estimates fell in 2025-2026.Updated
- How qubits workWhat a qubit is, how superposition, entanglement and interference power quantum computers, and why qubits are so fragile.Updated
- How reasoning models workHow AI reasoning models think step by step: chain of thought, reinforcement learning on checkable tasks and test-time compute.Updated
- How RNA silencing drugs work (siRNA and antisense)How siRNA and antisense oligonucleotide drugs switch off disease-causing genes at the RNA level, and where the field stands in 2026.Updated
- How robots learn: demonstrations, trial and error, and dataA plain guide to how modern robots learn skills from human demonstrations, reinforcement learning and pooled datasets, and why data is the bottleneck.Updated
- How rockets reach orbit, and why reusability mattersWhy getting to orbit is hard: orbital speed, the rocket equation, staging and why reusable boosters like Falcon and Starship change the economics.Updated
- How space telescopes work, and what Webb, Roman and Rubin each doWhy astronomers put telescopes in space or on mountaintops, why infrared matters, and how Webb, Roman and Rubin divide up the sky as of 2026.Updated
- How to read the stock market: what indexes like the S&P 500 measureA beginner-friendly guide to stock indexes: what the S&P 500 and Dow measure, how weighting works, and how to read points, records and sell-offs.Updated
- How superconductivity worksSuperconductors carry current with zero loss below a critical temperature. What they are, why cooling matters, and the 2026 temperature records.Updated
- How the immune system fights cancer, and how tumours escapeHow T cells recognise cancer, how tumours hide or switch immune cells off, and how immunotherapies try to reverse that, at beginner and expert level.Updated
- How the Standard Model of particle physics worksThe Standard Model in plain language: quarks, leptons, force carriers and the Higgs field, plus the gaps that physicists are trying to fill in 2026.Updated
- In-car gaming explained: platforms, rear seats and safety rulesHow games run in cars in 2026: Tesla Arcade, AirConsole, Android Automotive, GeForce NOW and rear screens, plus the US safety rules on driver distraction.Updated
- LEGO PlayStation: the 72306 set, LEGO games on PS5 and buyer's guideWhat "LEGO PlayStation" means in 2026: the 1,911-piece LEGO PlayStation set (72306), LEGO games on PS5, and what reviewers say. A sourced buyer's guide.Updated
- LFP vs NMC: the battery chemistry splitWhy cheap lithium iron phosphate (LFP) overtook nickel-rich NMC in electric cars and grid storage, and where NMC still wins, with 2025-2026 data.Updated
- Aging and longevity biology in 2026: a crash courseA sourced crash course on aging biology: hallmarks, epigenetic clocks, senolytics, reprogramming, rapamycin and who leads, as of October 2026.Updated
- Magnetic vs inertial fusion: the main ways to confine a plasmaHow tokamaks, stellarators, laser fusion and magnetized-target machines each try to hold fusion fuel long enough to burn, and where each stood in 2026.Updated
- Materials science in 2026: a crash courseA sourced crash course on frontier materials: superconductors, LK-99, graphene and twistronics, perovskite solar, metamaterials and AI labs.Updated
- The memory wall: why moving data limits AI hardwareWhy AI chips are increasingly limited by memory and interconnect bandwidth rather than raw compute, and which hardware ideas try to fix it.Updated
- GLP-1 and metabolic medicine in 2026: a crash courseA sourced crash course on GLP-1 drugs: incretin biology, semaglutide, tirzepatide, pills and triple agonists, outcome trials, prices and coverage.Updated
- Neuroscience and brain-computer interfaces in 2026: a crash courseA sourced crash course on brain-computer interfaces and brain mapping: how they work, who leads, what is approved and where the frontier is in October 2026.Updated
- Obesity as a chronic diseaseWhy WHO and a Lancet Commission now frame obesity as a chronic disease, what "clinical" versus "preclinical" obesity means, and BMI's limits.Updated
- Oil prices in 2026: a crash courseWhere oil prices stand as of October 2026, why they surged after the Strait of Hormuz closure, and how Brent, WTI, OPEC+ and pump prices fit together.Updated
- Particle physics and cosmology in 2026: a crash courseA sourced crash course on particle physics and cosmology: the Standard Model, colliders, neutrinos, dark matter, dark energy and the Hubble tension in 2026.Updated
- PS5 emulation in 2026: a crash courseWhere PS5 emulators such as SharpEmu, KytyPS5 and AnyPS5 stand in October 2026, how they differ from shadPS4, what runs, and the legal limits.Updated
- Quantum computing in 2026: a crash courseA sourced crash course on quantum computing: qubits, error correction, logical qubits, advantage claims and who leads as of October 2026.Updated
- Quantum error correction: from noisy to logical qubitsHow quantum error correction turns many noisy physical qubits into reliable logical qubits, what "below threshold" means, and the 2026 state of play.Updated
- Robotics and embodied AI in 2026: a crash courseA crash course on robotics and embodied AI as of October 2026: how robots learn, robot foundation models, humanoids, self-driving and the open debates.Updated
- Sim-to-real: training robots in simulation for the real worldHow robots are trained in simulated worlds and then moved to real hardware, what the "reality gap" is, and how domain randomization bridges it.Updated
- Space exploration and astronomy in 2026: a crash courseA sourced crash course on space in 2026: Artemis and the Moon race, Starship, Mars samples, Webb, Roman, Rubin, exoplanets and the budget fight.Updated
- Synthetic biology in 2026: a crash courseA sourced crash course on synthetic biology: writing DNA, genetic circuits, fermentation scale-up, key players and the frontier in October 2026.Updated
- mRNA and next-gen vaccines in 2026: a crash courseA sourced crash course on mRNA vaccines, lipid nanoparticles, self-amplifying RNA and RNA drugs: how they work, who leads, and the 2026 frontier.Updated
- Vision-language-action models: how robot foundation models workWhat vision-language-action (VLA) models are, how they turn camera images and instructions into robot motion, and the main models as of 2026.Updated
- Voice gaming explained: voice control, voice chat and AI voicesHow games use your voice in 2026: spell-casting and ghost-talking games, proximity chat, PS5 voice and accessibility tools, and AI-voiced characters.Updated
- What are Ethereum ETFs? Spot ether funds, flows and stakingSpot Ethereum ETFs hold ether and trade like stocks. How they work, who issues them, what flow data shows, and how staking ETFs differ, as of October 2026.Updated
- What is AI alignment? Making AI do what we intendAI alignment explained: how labs train models to follow human intent, why it can fail, and what 2024–2026 studies found.Updated
- What moves oil prices, and why pump prices lagSupply, demand, inventories, OPEC+ and geopolitics set crude prices. Why gasoline and diesel follow crude unevenly, explained with 2026 examples.Updated
- What quantum computers are good for (and what they are not)The problems quantum computers are expected to help with - simulation, cryptanalysis - how close each is, and why "faster at everything" is wrong.Updated
- Why chip scaling slowed, and what replaced itHow the end of Dennard scaling around 2005 created a power wall, why multi-core and accelerators followed, and why new hardware ideas now matter.Updated