bioplastic, UV LED

Faster-degrading plastic could promise cleaner seas — ScienceDaily To address plastic pollution plaguing the world’s seas and waterways, chemists have developed a new polymer that can degrade by ultra… Ultraviolet LEDs prove effective in eliminating coronavirus from surfaces and, potentially, air and water — ScienceDaily provide a low-cost, chemical-free and convenient way to sanitize public, retail, personal and medical spaces,Researchers are developing u… The best material for homemade face masks may be a combination of two fabrics — ScienceDaily tightly woven fabrics, such as cotton, can act as a mechanical barrier to particles, whereas fabrics that hold a static charge, … Continue reading bioplastic, UV LED

plastic waste

Plastics – term commonly used to describe a wide range of synthetic or semi-synthetic materials that are used in a huge and growing range of applications. Trash / Garbage, unwanted or undesired waste material Litter, material discarded in inappropriate places Municipal solid waste, unwanted or undesired waste material generated in a municipal environment Growing problem – tiny plastic particles Invisible plastics in water — ScienceDaily A recent study showed that more than 90 percent of tap water in the U.S. contains nanoscale plastics that are invisible to the human eye,… eGFI – For Teachers » Plastic Hits the Road where plastic … Continue reading plastic waste

@ home

Challenge Cards Dyson engineers have designed these challenges specifically for children. Ideal for home or in the classroom, they encourage inquisitive… Dyson creates engineering challenges for kids in lockdown Designers working with the James Dyson Foundation have devised a series of science and engineering tasks they say can help keep kids ente… Solar-powered center puts sustainability at heart of the community The Bayswater Early Years Hub’s roof is covered in solar panels, which are hooked up to a series of batteries. It’s designed to r… Another possible use for coffee grounds: Biodegradable plastic Coffee grounds certainly showed promise, as approximately … Continue reading @ home

hinge

Hinge A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two ob… Types of Hinge Mechanisms | eHow The hinge is one of the most important pieces of hardware you’ll find inside or outside your house. A hinge is simply two leaves held… Ten Fold: The Levers video 2:25 great demonstration of hinges and levers paper airplanes – engineering 4 kids Elevator is the aeronautical term for the hinged flap at the tail section of a plane that causes it to either climb (gain altitude) or di… wing … Continue reading hinge