In this week’s Top 5 we have Hollywood directors, ethical paper, an actual real-life freeze ray, gigantic wind turbines and volcano power!
James Cameron donates his sub to science
You may remember around this time last year Hollywood director James Cameron made a record-breaking submarine journey to the Mariana Trench, the deepest place on earth. He has now announced that he will be donating his submarine, the Deepsea Challenger to the Woods Hole Oceanographic Institution in the US.
Recycled vs FSC paper: which is better?
Is recycled paper worth the environmental brownie points if it was processed using coal-generated electricity? Is there any real benefit from buying FSC certified paper? This article from the Guardian discusses the pros and cons of each, along with a few tips for buying.
The real freeze ray that can drop temperatures with lasers
From the food in your fridge to the components inside your computer, keeping things cool uses a surprising amount of energy. Scientist have now found a way to cool objects using lasers.
Denmark build the world’s biggest wind turbine
Siemens have designed a new record-breaking type of wind turbine with 75m blades. When they’ve finished building all four of them, they will cover a swept area of 18,600 square metres — or the equivalent of two-and-a-half football pitches.
Africa’s buried energy treasure
A really interesting read on the New Scientist website. East Africa is sitting on 15 nuclear power plants worth of geo-thermal energy, and scientist believe that volcanoes are the key to tapping into it (You will need to log-in to read the article — you can register for free.)