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A fully deployed OTIS, with the secondary mirror extended over the primary mirror, is removed from Chamber A after a successful thermal-vacuum test in 2017. Seen still in the chamber is a sunshield simulator, called the L5 Simulator, representing the fifth and innermost layer of the sunshield. The telescope would be shipped to the Northrop Grumman facility in California to be integrated with the real sunshield. I was suspended on a lift for this shot. Page 119

Space

A glimpse inside how the James Webb Space Telescope was put together

Three decades in the making, JWST is one of the most ambitious space projects ever embarked on. These photographs, from a new book, Inside the Star Factory, show how it was developed

Regulars

The best new science fiction books of October 2023

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The best new science fiction books of October 2023

Culture

Technology

Hollow nanoparticles linked by DNA make unusually strong materials

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Plastic scrap in landfill

Technology

Waste plastic can be recycled into hydrogen fuel and graphene

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Students search desert for lost rocket after attempted launch to space

Space

Students search desert for lost rocket after attempted launch to space

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Technology

Super-heatproof computer memory survives temperatures over 500°C

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image of the galaxy cluster El Gordo

Space

Distant galaxies are gobbling up an unexpected amount of gas

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Northern Lights over Culloden, Scotland

Space

How to see the northern lights this winter

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Physics

Squeezing loofah sponges creates enough electricity to power LEDs

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ORDOS, CHINA - JULY 7, 2023 - Citizens use photovoltaic energy from the roof of a shed to charge an electric vehicle at a public parking lot in Ordos, Inner Mongolia, China, July 7, 2023. Ordos City vigorously promotes the construction of photovoltaic power generation projects on the roofs of administrative institutions, government agencies, schools and public parking sheds. (Photo credit should read CFOTO/Future Publishing via Getty Images)

Environment

How to reach net zero five times faster

Outdated economic theories and a poor grasp of worst-case scenarios are behind our failure to curb carbon emissions, says climate policy expert Simon Sharpe – but it isn't too late to change tack

Features

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The 10 best time travel movies ever made, according to a metaphysicist

Culture

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Five of sci-fi's best corporate villains, according to author John Scalzi

Culture

Space

Eris and Makemake might be hiding unexpected oceans of liquid water

News

Space

Data leak means anyone can see when astronauts urinate on the ISS

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