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82 results for 'high speed rail'

Scientists track rapid retreat of Antarctic glacier

Published
Wednesday 29th November, 2023
Categories
Global
Science
Environment

Scientists are warning that apparently stable glaciers in the Antarctic can “switch very rapidly” and lose large quantities of ice as a result of warmer seas.

Image across a calm sea with floating ice debris to a coastline of ice and snow covered mountains. This is a the Antarctic Peninsula.

Vaporised spacecraft linked to metals in atmosphere

Published
Tuesday 17th October, 2023
Categories
Science
News

A team of scientists investigating the stratosphere have found particles containing a variety of metals from satellites and spent rocket boosters, vaporised by the intense heat of re-entry.

View of blue sky and clouds from the cockpit of NASA’s research aircraft

Green growth not happening in high-income countries

Published
Tuesday 5th September, 2023
Categories
Society & Politics
Business & Economy
Environment

The continued pursuit of economic growth in high income countries is at odds with the climate targets and fairness requirements of the Paris Agreement, say researchers.

A modern, robotic production line in a car factory

More transparency needed about merits of AI

Published
Thursday 13th April, 2023
Categories
Technology

AI developers need to be much more open about how they evaluate the tools they produce, to make sure people understand how effective high-tech artificial intelligence actually is.

Illustration of machine learning and AI concept in form of a woman's face outline with circuit board and binary data flow on blue background.

Billions of tonnes of ice lost from Antarctic Ice sheet

Published
Monday 20th March, 2023
Categories
Global
Science
Environment

Scientists have calculated that the fastest changing Antarctic region - the Amundsen Sea Embayment - has lost more than 3,000 billion tonnes of ice over a 25-year period.   

Expanse of snow and ice on the Amunden Sea Embayment ice shelf

Satellites reveal speed-up of Antarctic glaciers

Published
Monday 27th February, 2023
Categories
Science
Environment

Glaciers along the Antarctic peninsula are flowing faster in the summer because of a combination of melting snow and warmer ocean waters, say researchers.

The Antarctic peninsula seen from an aircraft. Ice emerges from valleys and enters the sea.

Student rocketeers aim high with next mission

Published
Friday 18th November, 2022
Categories
Science

Rocketeers at the University of Leeds have launched a training academy to help engineering students prepare for the so-called “Mars generation” of space travel.

students carry Gryphon I to launchpad in New Mexico