New concrete from old buildings
Christian John Engelsen at SINTEF is teaching the world to recycle demolition rubble to make new concrete. Anything and everything can be recycled, he says. What takes time is getting people on board.
Arkiv, February 2023
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Jewish prisoners forced to lie in stream so Germans could cross
It is difficult to understand how conspiracy theories can create hatred directed at individuals and an entire people, but we are witnessing the same thing today.
Green production of silicon is just around the corner
“We see no technical obstacles to being able to produce silicon without CO2 emissions within the next two to three years,” says Maria Wallin at NTNU.
Outgoing and structured people coped best with the pandemic
It looked like the COVID-19 pandemic might be a good time to be an introvert. Now a large study shows that extroverts handled the situation better.
Over a hundred new species discovered in Norway
You don’t get to discover a new insects and arachnids numbering in the hundreds every day. Most of the new discoveries were of the biting midge variety.
Reducing your electric bill with a predictive control heating system
NTNU has tested a system to predict the heating needs on the Gløshaugen campus. The results show that we can save even more where surplus heat is already in use.
A new approach to waste incineration removes CO2 from the atmosphere
There are plans in Årdal to build a waste incineration plant based on a new technology that captures and stores CO2, thus removing the greenhouse gas from the atmosphere.
Who has died from COVID-19?
At least six million people have died from COVID-19 to date. But who dies is often not random. The same pattern is found around the world.
Confusing terminology is preventing the promotion of a healthy working environment
Many managers believe that their efforts to promote a healthy psychosocial working environment are succeeding. According to a recent report, however, many employees do not agree. No surprise, perhaps, since it appears that people are defining the concept in different ways.
Some stroke patients become more fatigued afterwards
Some people feel worse than others after a stroke. Stroke patients with cognitive and emotional problems tend to experience fatigue more often and sleep more during the day, according to recent research.
A counterintuitive way to make stronger alloys
By using a cutting edge technique to observe what’s happening at the atomic level inside their material, researchers at NTNU have discovered a surprising new method to make aluminium alloys stronger.
A minute sensor to the rescue
Ships, bridges and wind turbines can all be made safe using sensors that are just a few millimetres across. Researchers have borrowed the principle behind the technology from a vibrating guitar string.
How do our nerve cells work together?
How can we explain to school students how our nervous system works? An NTNU researcher has created a building kit designed to make our brain’s activity easier to understand.
Energy crisis can help boost green energy investments in Europe
Can Europe use the energy crisis to help accelerate its efforts to achieve net zero greenhouse gas emissions by 2050? The EU’s Scientific Advisory Board on Climate Change says yes.
Urgent need to commercialise CCS
At last it is now possible to capture CO2 at industrial scales without state subsidy, and countries across the world should be persuading private industry to identify storage sites that will make a real difference.
Blue hydrogen: the real bridge between fossil fuels and renewable energy
Blue, also called “low carbon” hydrogen will make for a much more suitable transition towards renewable energy than natural gas.
Could you share a guest room with your neighbours?
Singles and couples with children who have moved away from home are the group most positive to alternative living arrangements, while families with children living outside the city centres are the least interested.
Seven weeks to reducing your belly fat
A combination of interval training and eating only within fixed times of the day could be the key to getting rid of dangerous belly fat.
Light’s invisible properties can be used to detect cancer
Machines are currently learning how to identify cancer cells with the help of manipulated light. This approach may help to take the pressure off our hard-pressed health services and reduce waiting times for anxious patients.
How do you create buildings that can withstand the most extreme stress loads?
An explosion can hurtle fragments and debris at enormous velocities so they strike the surroundings. Then comes the shock wave. It’s a scary combination.