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The aftermath of the Brumadinho dam collapse, which took place on January 25, 2019, in Minas Gerais state, Brazil. Vinícius Mendonça/Ibama

Eyes in the sky: How satellites can monitor infrastructure health

Population growth is creating a huge demand for infrastructure, even as environmental risks grow. To detect problems early, satellites can provide rich data to help assess infrastructure “health”.
Russian President Vladimir Putin visits a facility to celebrate the anniversary of the 1961 first manned space mission. Space capabilities have changed a bit since then. Alexey Nikolosky / AAP

A guide to ensure everyone plays by the same military rules in space: the Woomera Manual

India, China, the United States and Russia can now precisely target objects in space. But we currently lack appropriate rules and regulations to deal with space weapons.
Perhaps hoping for an election boost, India’s Prime Minister Modi announces that Indian scientists shot down a live satellite at a low-earth orbit. Jaipal Singh / AAP

India destroys its own satellite with a test missile, still says space is for peace

On 27 March, India announced it had successfully conducted an anti-satellite missile test, Mission Shakti. India is now the fourth country in the world displaying this capability.
U.S. Vice-President Mike Pence speaks about the creation of a United States Space Force on Aug. 9, 2018 at the Pentagon. (AP Photo/Evan Vucci)

How Canadian technology could protect Space Force troops

Could Canadian technology play a part in the newly announced U.S. Space Force? A team at McMaster University has developed an instrument that could keep Space Force troops safe from radiation.
Aircraft and missiles on display at Woomera, South Australia. Will we launch more rockets from here in the future? from www.shutterstock.com

3, 2, 1…liftoff! The science of launching rockets from Australia

We’ve launched rockets from Woomera in South Australia, but in reality Australia could support multiple launch sites. And the closer to the equator, typically the better.
The northeast edge of the Venable Ice Shelf, near Antarctica’s Allison Peninsula. NASA/John Sonntag

Short-term changes in Antarctica’s ice shelves are key to predicting their long-term fate

Last summer one of Antarctica’s floating ice shelves calved an iceberg the size of Delaware – but scientists say other less dramatic changes reveal more about how and why Antarctica is changing.

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