Nature field trips go digital

The buzz around the pond these days isn't coming from bees. It's coming from middle-school students on a data collection field trip to a local pond. But on this trip they've traded paper and pencil for mobile phones and environmental ...

More concepts, fewer facts

ETH biology lecturers have tested secondary school leavers and students to determine their knowledge of biological concepts. And they have drawn some sobering conclusions: many misunderstand the concepts, such as the importance ...

Air taxis – why they're no longer pie in the sky

Imagine a taxi service that picked you up (into the sky) and then dropped you off after an exciting journey, completely free of road works and traffic lights. It has been claimed that air taxis could be flying us through ...

Optical vacuum cleaner can manipulate nanoparticles

Scientists at Tomsk Polytechnic University jointly with Russian and international colleagues developed the concept for constructing an "optical vacuum cleaner." Due to its optical properties, it can trap nanoparticles from ...

Toward net energy wastewater treatment using current technology

Municipal wastewater treatment in Europe consumes the energy equivalent of around two power stations per year – but could actually be generating the energy of 12. The EU-funded POWERSTEP project demonstrates how to make ...

page 20 from 24