Positive Innovations: Technology Improving Our World, Part 4 of a Multi-part Series

The development of low-carbon technologies in the cement industry is essential for reducing CO2 emissions. A team of research engineers at the University of Cambridge, UK, has developed a cost-effective method for producing low-carbon concrete using waste cement. After a building is demolished, the waste concrete is crushed to separate the cement from the aggregates. The recovered cement is then transported to a steel furnace, where it substitutes for lime as “flux,” a cleaning agent used to remove impurities from molten metal during the recycling process.

Advances in robotic surgical systems are becoming a prominent trend in hospital operating rooms. Regarding the new robot, the director of research, education, and development at Karolinska University Hospital, Professor Olof Akre says, “When new technology is available, we want to be at the forefront and be involved in developing it. […] This means less pain, shorter operation time, and hospital stays. For a certain group of patients, this robot will make a significant difference and alleviate much suffering.”

Electronic waste, also known as e-waste, includes discarded electronic components such as televisions, computers, mobile phones, and various home appliances. Researchers at the University of Helsinki, Finland, have developed a sustainable method for extracting noble metals from e-waste. Noble metals are metals that don’t corrode and that resist chemical action.

Researchers at the University of Sydney in Australia have discovered a remarkable way to address the challenges of greenhouse gas emissions from landfills. They have developed a method to convert methane gas from landfill waste into energy resources. Researchers at the University of Sydney have developed a chemical process using plasma to create sustainable jet fuel from landfill gas emissions.

Elderly individuals, typically aged 60 and above, may face cognitive and/or physical challenges, requiring assistance with household tasks. Advances in robotic technology offer potential solutions. One of the latest innovations comes from a collaboration between researchers at Universidad Carlos III in Madrid, Spain, and the robotics manufacturer Robotnik. Together, they have developed an indoor mobile robot— the Autonomous Domestic Ambidextrous Manipulator (ADAM)—designed to assist the elderly with basic daily tasks.