How It Works Feed your mind with fascinating facts about the world around you

Prehistoric giants of the sky

Credit: Johnson-Mortimer The huge aerial predators that brought death from above Jumbo raptor Haast’s Eagle ▶ 1.8 MYA-1400 CE With talons the size of tigers’ claws, these monstrous eagles preyed on helpless herbivores of...

Why does spring happen?

What happens when winter begins to fade and spring brings the promise of regeneration? Spring occurs as a result of the planet warming up after a plunge in the temperature during winter. There are...

What is interferometry?

How this clever technique can create a telescope over half the size of Earth When it comes to telescopes, the bigger the better. A larger primary mirror or objective lens (in optical telescopes) or...

Plastic bottles

How are plastic bottles recycled?

What happens when you put your plastic bottle in the recycling bin? The average UK household throws away an estimated 500 plastic bottles every year, and a large percentage of them end up at...

Sleepless on the space station

Sleep is essential for our health, which is why NASA carefully studies each astronaut’s sleeping patterns Many people feel that at the end of a hard day there is nothing better than collapsing onto...

How do solar panels work?

How sunlight is transformed into electrical energy? Solar panels – also known as photovoltaic (PV) cells – convert the Sun’s energy into electricity, which is a great alternative to costly, less environmentally friendly methods...

Life WITHOUT the sun

What sort of chaotic consequences would arise if the Sun was to disappear tomorrow? Could humanity survive? Follow this timeline to find out… Eight minutes Plunged into darkness As light travels at a finite...