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Page 19

Q0477

WonderTechnology

DNA data storage could theoretically pack enormous amounts of digital information into tiny biological molecules, but it is still experimental.

DNA stores life's instructions in a compact chemical code, so researchers are exploring whether digital files can be written into similar molecules. The promise is density and long-term storage; the challenge is cost, speed and reliability. For now, your phone's memory is practical in a way DNA storage is not. The lesson is that possibility and readiness are different things.

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Q0478

WonderTechnology

Sputnik, the first artificial satellite, was launched by the Soviet Union on 4 October 1957, shocking the Western world and igniting the Space Race.

On 4 October 1957 the Soviet Union launched Sputnik, the first artificial satellite — a beeping metal sphere that stunned the world and set off the Space Race.

Soviet Union, 1957Read card

Q0479

WonderTechnology

3D printing, or additive manufacturing, builds physical objects layer by layer from digital design files, enabling rapid prototyping and custom manufacturing.

3D printing builds objects layer by layer from a digital design — making everything from prototypes to prosthetics, and letting a shape exist as a file before it exists as a thing.

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Q0480

WonderTechnology

The average modern smartphone contains more raw computing power than the combined computers NASA used for the entire Apollo programme.

A modern smartphone has far more computing power than all the computers NASA used for the Apollo Moon landings combined — a supercomputer that fits in a pocket.

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Q0481

WonderTechnology

The first commercial jet passenger service, operated by BOAC, launched in May 1952, permanently transforming long-distance travel.

BOAC launched the first jet passenger service in 1952 with the Comet, cutting travel times dramatically — and beginning the age when the world became a day's flight wide.

BOAC, 1952Read card

Q0482

WonderTechnology

Touchscreen technology was first developed in research labs in the 1960s before becoming ubiquitous in consumer devices decades later.

Touchscreens were invented in research labs in the 1960s, decades before smartphones — the idea waited patiently until the hardware became cheap and reliable enough to matter.

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Q0483

WonderTechnology

A single optical fibre thinner than a human hair can carry huge volumes of calls, video and data as pulses of light.

Optical fibre works because light can be guided through glass with very little loss. One strand can carry many channels at once, turning a thin physical line into a massive communication path. This matters globally because finance, hospitals, schools, families and governments all depend on fast links. The small cable under the street may be holding a large part of your day together.

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Q0484

WonderTechnology

The World Wide Web and the internet are not the same. The internet is the global network infrastructure; the web is one service that runs on it.

The internet and the web are not the same: the internet is the global network of connected computers; the web is one thing that runs on it — pages linked by hyperlinks.

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Q0485

WonderTechnology

Programming languages let humans write readable instructions that computers translate into exact operations.

A processor works with very low-level signals, but people need words, structure and names they can reason about. Programming languages provide that bridge, letting humans describe logic while compilers or interpreters handle translation. Every app on your phone depends on this compromise. The lesson is that good tools meet both the human mind and the machine.

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Q0486

WonderScience

The Hubble Space Telescope, launched in 1990, has captured light from galaxies more than 13 billion light-years away.

The Hubble Space Telescope, launched in 1990, sees the universe without atmosphere blurring the view. A light-year is about 9.5 trillion kilometres (5.9 trillion miles), so light from the most distant galaxies is also ancient: looking far away means looking billions of years into the past.

NASA, 1990Read card

Q0487

WonderTechnology

Modern GPUs can perform trillions of floating-point calculations per second, which is why they power graphics, AI and scientific simulation.

A GPU was built to do many similar calculations at once, first for images and games. That same parallel strength now helps train AI models, simulate physics and process scientific data. For a personal comparison, a smooth game frame and an AI result both lean on repeated maths at scale. The so-what: a tool made for visuals became a general engine for patterns.

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Q0488

WonderTechnology

Binary code, the foundation of all digital computing, represents all data — text, images, sound — using only two digits: 0 and 1.

All digital data — text, images, music — is ultimately just ones and zeros. Binary code is the simple alphabet from which every file and app is built.

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Q0489

WonderTechnology

Cloud computing moved storage and processing into remote data centres, letting small devices use power they do not physically contain.

When your phone streams a film, syncs photos or asks an online service a question, much of the work happens in distant data centres. Cloud computing matters because it lets individuals and companies rent scale instead of owning every machine themselves. It also creates dependence on networks, electricity and trust. The cloud is not weightless; it is someone else's computer made reachable.

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Q0490

WonderTechnology

The first optical telescope was built in the Netherlands around 1608. Galileo improved the design and used it to discover Jupiter's moons and study the Moon's surface.

The first optical telescope appeared in the Netherlands around 1608. Galileo improved it and turned it skyward — and what he saw ended the idea that Earth sat at the centre.

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Q0491

WonderTechnology

The Jacquard loom (1804) used punched cards to control weaving patterns — a concept that directly influenced early computing and programming.

The 1804 Jacquard loom used punched cards to weave complex patterns automatically — the very idea of programming with cards that later inspired early computers.

Joseph-Marie Jacquard, 1804Read card

Q0492

WonderTechnology

Charles Babbage designed the Difference Engine in the 1820s — a mechanical calculator that was a conceptual predecessor to the modern computer.

In the 1820s Charles Babbage designed the Difference Engine, a mechanical calculator, then the programmable Analytical Engine — computers imagined a century before they were built.

Charles Babbage, 1820sRead card

Q0493

WonderTechnology

In an internal combustion engine, burning fuel expands gases that push pistons, turning chemical energy into motion.

Fuel and air burn inside cylinders. The expanding gas pushes pistons, the pistons turn a crankshaft, and that rotation can move a vehicle or machine. This design reshaped transport, cities and climate because millions of engines made mobility cheap while also emitting pollution. The lesson is that useful motion can carry hidden costs.

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Q0494

WonderTechnology

The steam engine's deeper revolution was collapsing distance: goods, people and news could move on schedules instead of seasons.

Factories mattered, but steam also changed the map. Steamships and railways made movement less dependent on wind, current and muscle, so trade and migration could follow timetables. That mattered far beyond Britain or Europe; industrial speed rewired global markets and empires. The so-what: changing movement changes power.

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Q0495

StillnessLiterature

All that we see or seem / Is but a dream within a dream.

The closing lines of Poe's poem 'A Dream Within a Dream'. He questions whether anything we grasp is truly solid — reality itself may slip through our fingers like sand.

Edgar Allan Poe, "A Dream Within a Dream" (1849)Read card

Q0496

StillnessLiterature

The mass of men lead lives of quiet desperation.

This line comes from Walden, Thoreau's account of living simply beside Walden Pond. The source matters because he is diagnosing respectable ordinary life, not selling escape for its own sake. Henry David Thoreau (1817–1862) was an American essayist whose 'Walden' recounts two years of simple living beside a pond.

Henry David Thoreau, Walden (1854)Read card

Q0497

StillnessLiterature

It was the best of times, it was the worst of times.

The opening of A Tale of Two Cities (1859), Dickens's novel of the French Revolution. He paints an age of violent extremes — and the line still fits almost any turbulent era, which is why it never ages.

Charles Dickens, A Tale of Two Cities (1859)Read card

Q0498

StillnessLiterature

What's in a name? That which we call a rose by any other name would smell as sweet.

This line comes from Romeo and Juliet, where private love collides with inherited public names. The source turns the quote into a question about identity, family, and the cost of labels. William Shakespeare (1564–1616) is widely regarded as the greatest writer in English, author of about 37 plays and 154 sonnets.

William Shakespeare, Romeo and JulietRead card

Q0499

DriveLiterature

If you can meet with Triumph and Disaster and treat those two impostors just the same.

From Kipling's poem 'If—'. He counsels meeting success and failure with the same steady calm, since both are fleeting 'impostors' that shouldn't rule you.

Rudyard Kipling, "If—" (1910)Read card

Q0500

StillnessLiterature

All happy families are alike; each unhappy family is unhappy in its own way.

The famous opening line of Anna Karenina (1878). Tolstoy begins his novel of family, love and betrayal with a claim readers have argued about ever since: happiness looks uniform, but every unhappiness has its own story.

Leo Tolstoy, Anna Karenina (1878)Read card