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Found 30 results for sci-fi

Could a cat nose function as a 'highly efficient' gas chromatograph?

12 July 2023

Feedback decides more research is needed, both technical and legal, following a study into the unexpected potential of feline noses

This mosaic of Mars is a compilation of images captured by the Viking Orbiter 1. The center of the scene shows the entire Valles Marineris canyon system, more than 2,000 miles (3,000 kilometers) long, 370 miles (600 kilometers) wide and 5 miles (8 kilometers) deep, extending from Noctis Labyrinthus, the arcuate system of graben to the west, to the chaotic terrain to the east.

If humans colonised Mars, how would they calculate time?

21 June 2023

Humans would have to adjust to the slightly longer Martian day, say our readers, who also point out that time is a human construct, anyway

Neon portal in the foggy forest, magical evening; Shutterstock ID 2116865828; purchase_order: -; job: -; client: -; other: -

How could I theoretically reach other dimensions in the multiverse?

25 January 2023

Even if they exist, there is no conceivable way to get to other multiverses, say some readers. Others advocate mind-altering drugs, wardrobes and even a tumble dryer to access other dimensions

China finds - then loses - traces of extraterrestial civilisations

22 June 2022

Feedback ponders the disappearance of a report about China’s discovery of possible alien intelligence, and gets ready to text the Squid Facts hotline

If energy cannot be created or destroyed, where does it come from?

9 March 2022

No energy needed to be created when the universe came into existence for some very counter-intuitive reasons, say our readers

What’s the best way to store movies and images for the next 100 years?

26 January 2022

From paper and vellum to the blockchain and a cave on Pluto, our readers suggest all sorts of ways to store images and movies for posterity

Young woman with a striking appearance enjoys listening to music on her headphones.

This week’s new questions

19 January 2022

Why does sticking my tongue out seem to help me concentrate? And if energy cannot be created or destroyed, where does it come from?

FEATURE ONLY The grow hall at Nordic Harvest close to Copenhagen, where a 14 storey high system grows salad leaves in water under UV lights.

Futuristic farm may use 250 times less water than normal

29 September 2021

This vertical farm in Copenhagen uses robots to grow leafy vegetables under LED lights. The company behind it says this results in a reduction of water and energy use