Mar 28, 2017 |
Fusion power is what makes the stars shine. Recreating the process on earth in a controlled and sustained way would bring clean, safe and abundant energy. The technological challenges are formidable - such as how to handle a plasma at extremely high temperatures - but new materials and improved computational capacity is beginning to tip the scales.Read More
Mar 14, 2017 |
Biomimetics or biomimicry is the interdisciplinary field where biology, engineering and sustainability come together. The processes, systems and solutions found in nature are proven, energy efficient and circular by definition, and inspire new technology and innovation.Read More
Feb 28, 2017 |
Smog formed by particulate matter and pollution is a serious problem in many growing urban areas. In the future, vertical forests and trees planted on building facades may be an important tool to combat pollution. Forest cities are under development in China, and active plant walls derived from space technology increase the air purification power of plants a hundredfold.Read More
Nov 15, 2016 |
Even with zero emissions, we may deem it necessary to reduce the atmospheric carbon concentration. Solar radiation management techniques could be employed as a stopgap solution to offset a global temperature on the rise. Such deliberate acts of climate intervention are referred to as geoengineering.Read More
Nov 1, 2016 |
Negative emissions is one of the important tools mentioned in the Paris agreement. We can capture carbon from flue gases and deposit it in underground reservoirs, and growing biomass can do the sequestration. The technology is expensive and energy-intensive, but it is evolving.Read More
Oct 18, 2016 |
Electric vehicles are becoming a common sight, a paradigm shift in the making. And it is not just about switching one engine for another; the entire design of the car has been dictated by the mechanics of the combustion engine. The vehicles of the future will be lighter and more autonomous, and may turn mobility into a service instead of a product.Read More
Jul 19, 2016 |
In the environmental debate, green sources of energy and energy conservation measures are oft-discussed topics. But between those endpoints, there are environmental benefits to be reaped as well. The future electrical grid will offer more flexibility, reduce transmission losses, and enable bidirectional energy flows and distributed generation.Read More
Jul 12, 2016 |
During the summer of 2016 articles from our growing archive will be republished. This one was first published in September 2012. Nuclear power is both a promising and problematic energy source. On the one hand, nuclear power continuously generates large amounts of energy without consuming fuels that contribute to global warming. On the other hand, there are concerns about nuclear accidents and the storage of spent radioactive material. The Royal Swedish Academy of Engineering Sciences, or IVA, and the Royal Swedish Academy of Sciences have found a number of future technologies that may improve nuclear power. One of them is to use thorium as fuel.Read More
Jul 5, 2016 |
During the summer of 2016 a couple of older articles will be republished. This article was first published in 2014. Ship transport is energy efficient, but it is also a significant source of emissions because of the globalized world huge transportation needs. In large measure, these vessels are powered with high-sulphur fossil fuels. New technologies have made sail propulsion possibly competitive - at least as a component of a highly automated hybrid system.Read More
Jun 28, 2016 |
When a river meets the sea, the salinity of the seawater is diffused in the mix of waters. The process releases energy, as much as if the same volume of water fell from a 250 meter high hydroelectric dam. With osmotic methods, the energy can be gathered to generate electricity. All that is needed is slightly more efficient membranes.Read More
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