Tag: Sustainability

Hemispherical solar cells produce more electricity. Solar modules installed on facades or outside windows also allow for increased energy generation, albeit their weight is a drawback. The gossamer thin, translucent perovskite solar cells made by a Singapore research team, however, could generate hundreds of megawatt hours per year on large buildings. The fineness of the parts was achieved through...

Pancreatic cancer can be arrested by vitamin D, which is also vital for the function of human immune systems, as well as for bone, muscle and gum development. Yet one in six are vitamin D deficient. To cover the growing demand for additional vitamin D supplements, a French startup is using biosynthesis to produce vitamin D3-oil from mealworms. The...

A robot removes algae from ships’ hulls autonomously. Now, a Norwegian startup is using automated technology to combat mildew and fungal mould on grapevines. Here, too, there is no need for chemicals, as the electrically-powered robot doesn’t employ oil or sulphur, but soft UV-C light. The latter specifically breaks up the DNA of pests and viruses while protecting the...

A membrane filters wastewater and runs on its own electricity. Inspiration, perhaps, for a US research team, which has created a solar panel from black metal to make seawater drinkable without pre-treatment. Key here: special surface treatment of the metal. Tiny laser-cut grooves make the metal permeable to water without affecting its ability to absorb sunlight. Through the capillary...

Coffee grounds are a versatile thing: used in everything from sustainable concrete to glasses frames, even offering natural oils for cosmetics. But as a cocoa alternative? It might sound far-fetched, but that’s exactly what a USA-based startup is trying to achieve. The logic is simple enough: from a taste perspective there are similarities between coffee and cocoa. First the...

Bumpers on boats are helping to keep waterways clean. Now a young English couple is removing rotting yachts from Cornwall’s riverbanks. Their non-profit organisation’s focus: the abandoned fibreglass vessels from whose hulls plastic particles and toxic materials have leaked into surrounding waters. Recent on-site analysis showed there were more than 11,000 fibreglass shards in a single kilogram of oysters....

Waste wood isn’t just suitable as a sustainable polystyrene substitute. Now, a Finnish research team has created an alternative to petroleum-based resin using sawdust and straw. The presence of petroleum-based bonding agents makes it tricky to recycle composites, which are used for wind turbines, boats and RVs. The team extracted cellulose and hemicellulose from the waste wood, successfully developing...

A maze-like material keeps insects away from plants. In France, meanwhile, a startup is creating sustainable pesticides from plant scents as around 80% of harmful insects are drawn to by these odours. The team deciphers which scents are particularly attractive for different species, and replicates the molecules in the lab. These can be used for the targeted defence of...