Missions at sea, in mountainous regions or close to skyscrapers are extremely risky for helicopter pilots. The turbulent air flows near oil rigs, ships, cliffs and tall buildings can throw a helicopter off balance and cause ...
Engineering
Dec 27, 2016
0
27
The first time I met the Australian evolutionary ecologist Monica Gagliano, she was wearing colourful paisley trousers and was giving an animated talk at a 2014 environmental humanities conference in Canberra.
Plants & Animals
Dec 7, 2016
0
37
Moving through water can be a drag, but the use of supercavitation bubbles can reduce that drag and increase the speed of underwater vehicles. Sometimes these bubbles produce a bumpy ride, but now a team of engineers from ...
Soft Matter
Jun 16, 2016
1
105
If you have ever travelled on an aeroplane the chances are you have experienced some form of turbulence. For those of us who fly infrequently, it can be alarming and unnerving, but rest assured that for the pilots and crew ...
Other
May 12, 2016
1
7
Researchers have developed artificial whiskers that allow robots to "see" the surroundings in dark and murky places by analysing the way the whiskers respond to water and air flow.
Engineering
Apr 18, 2016
0
54
New data presented by researchers at Lund University and others in the journal Oceanologia, show that the air along the coasts is full of hazardous nanoparticles from sea traffic. Almost half of the measured particles stem ...
Environment
Nov 20, 2015
0
30
One mystery of birds' flight is solved! The elegance of birds' flight, their seemingly effortless aerial turns and the softness of their landing, have been envied by many people. From countless observations, it has been known ...
Plants & Animals
Jun 5, 2015
4
1423
Plans for summer holidays are already taking shape. But before jetting off for some fun in the sun, many travellers will have to cope with long delays on the airport runway.
Engineering
May 6, 2015
0
14
The Calbuco volcano, a 2,000 metre peak in southern Chile, sent a column of ash about 15km skywards twice on the night of April 22 and early the following morning. As the risk of deadly flows of ash and hot air was immediate, ...
Earth Sciences
Apr 27, 2015
1
300
Touch can be a subtle sense, but it communicates quickly whether something in our hands is slipping, for example, so we can tighten our grip. For the first time, scientists report the development of a stretchable "electronic ...
Nanomaterials
Dec 10, 2014
0
0
