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Found 450 results for drones
A seed growing from the wooden carrier

Artificial seed casing made from wood buries itself when wet

15 February 2023

A seed carrier made from wood screws itself into the ground when exposed to water. It could be useful for projects to replant forests from the air using drones


The Chinese balloon, spotted above Charlotte, North Carolina on 4 February 2023

Unidentified objects: What's behind the rise in aerial shootdowns?

13 February 2023

A spate of shootdowns involving balloons and other flying objects over North America comes as the US military is becoming more sensitive to unidentified aerial phenomena


A drone approaching a branch for sampling

Drone with sticky patches studies biodiversity by bumping into trees

18 January 2023

A drone has revealed information on the animals inhabiting a tree's canopy simply by brushing against branches and collecting loose particles of environmental DNA with its sticky surfaces


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The debate over the future of conflict

6 December 2022

Advanced technology, the war in Ukraine and the threat from climate change are shaping the future of warfare. So 91av invited a group of experts to discuss the emerging issues


A Black Hawk helicopter flying autonomously

Unpiloted military helicopter flies 134 km in simulated mission

2 November 2022

A retrofitted Black Hawk helicopter flew autonomously between mountains to deliver blood supplies in a simulated mission. It also picked up a simulated medical casualty


Volodymyr Zelenskyy and drone

Will Ukraine deploy lethal autonomous drones against Russia?

1 November 2022

Ukraine has used drones in innovative ways throughout the Russia-Ukraine war, and may now be preparing to deploy machines capable of finding and attacking targets without direct human control


Scar marks across the seabed indicate scallop dredging continues legally inside the protected area

Dredging in crucial habitat sparks row over UK marine protected areas

5 October 2022

Footage showing protected Scottish waters raked clean by scallop dredgers shows that marine protected areas are "paper parks", say campaigners


Striking photos show scale of development in sub-Saharan Africa

Striking photos show scale of development in sub-Saharan Africa

28 September 2022

These arresting images of industrial developments in Senegal, South Africa and Namibia were taken by Edward Burtynsky, who spent four years capturing African landscapes using aerial photography


The gas leak at Nord Stream 2

Russia's Nord Stream gas pipelines to Europe suffer mysterious leaks

27 September 2022

Nord Stream 1 and Nord Stream 2, key gas pipelines between Russia and Europe, have sprung large leaks within hours of each other, sparking fears of deliberate sabotage


A specialized robotic drone sprays layers of cement to create a cylindrical structure in a clean laboratory setting with white background behind a staging area for the structure's construction

Drone swarm that 3D prints cement structures could construct buildings

21 September 2022

Bit by bit, drones can print structures made of foam and cement. The technique could transform future construction sites and post-disaster reconstruction


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