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WHAT IS THE BUTTERFLY EFFECT?

How It Works UK

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Issue 204

How even the smallest action can cause significant and unpredictable events in the future

- WORDS AILSA HARVEY

WHAT IS THE BUTTERFLY EFFECT?

If you ever get the feeling that you're insignificant as one of 8 billion humans on Earth, or when you think about the scale of the universe, consider the power of the unassuming butterfly.

The idea behind the 'butterfly effect' theory is that the tiny currents of air changed by the flutter of a butterfly's wing can lead to a powerful storm. This is because weather patterns are highly sensitive to their initial conditions. If a butterfly alters the air pressure or temperature slightly with this subtle movement, these tiny changes in atmospheric conditions can snowball into huge meteorological events that cause a hurricane. The butterfly effect is caused by unpredictable events between these actions, meaning that if we were able to plot each successive change, it would no longer be unpredictable. For this reason, though it's known that small actions can cause a chain reaction, each specific example is highly hypothetical.

How It Works UK से और कहानियाँ

How It Works UK

How It Works UK

UNCANNY'S DANNY ROBINS

The creator and host of the BBC's Uncanny series tells us about his most chilling experiences while researching the show, and writing a ghost book for children

time to read

4 mins

Issue 208

How It Works UK

How It Works UK

HOW FEATHERS GROW

A bird's proteinaceous plumage comes from the same source as our hair

time to read

1 mins

Issue 208

How It Works UK

How It Works UK

New EV battery technology could power 500-mile road trips on a 12-minute charge

Scientists have used a neat chemistry trick to tackle a major challenge facing future batteries.

time to read

2 mins

Issue 208

How It Works UK

How It Works UK

HOW AIR PURIFIERS WORK

These filtration devices clean a room's air of particles that can make a person sick

time to read

1 min

Issue 208

How It Works UK

How It Works UK

Chinese scientists hunt for alien radio signals in a 'potentially habitable' star system

TRAPPIST-1 is a red dwarf star located about 40 light years away that hosts seven Earth-sized rocky planets, with at least three orbiting in the habitable zone where liquid water could exist.

time to read

2 mins

Issue 208

How It Works UK

How It Works UK

WHAT HAPPENS WHEN WE DIE?

Our bodies are vessels for life, but in death they undergo a cascade of chemical and biological changes

time to read

3 mins

Issue 208

How It Works UK

How It Works UK

WHY ARE KEYBOARDS QWERTY?

There's a reason why this seemingly random arrangement of letters is widely used on keyboard layouts

time to read

1 min

Issue 208

How It Works UK

How It Works UK

A 'quasi-moon' discovered in Earth orbit may have been hiding for decades

A new paper describes a possible 'quasi-moon' of Earth, an interloping asteroid that may have been following our planet around for decades, undetected.

time to read

1 mins

Issue 208

How It Works UK

How It Works UK

WHAT'S AN ANTI-DRONE GUN?

How these devices intercept and disable unmanned aerial vehicles

time to read

1 mins

Issue 208

How It Works UK

How It Works UK

Dozens of mysterious blobs discovered inside Mars may be 'failed planets'

Giant impact structures, including the potential remains of ancient ‘protoplanets’, may be lurking deep beneath the surface of Mars.

time to read

2 mins

Issue 208

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