Biodiversity hotspot Madagascar is one of the world's biggest islands, and home to some of its biggest insects. Now German scientists have discovered two new species of giant stick insect, living only in the dry forests of ...
Plants & Animals
Apr 2, 2019
0
758
Sparks are a fascinating phenomenon well-known from campfires, flint stones and electric sparklers and other pyrotechnic articles. Looking at sparks more closely reveals the limited colors in which they appear. Dark red-orange ...
Materials Science
Mar 26, 2019
0
12
The mass production of flat optical devices with sub-wavelength structures could soon be a reality, thanks to a metasurface fabrication technique developed by researchers at A*STAR.
Optics & Photonics
Mar 18, 2019
0
14
In the blink of an eye, squid can change from sandy brown to vibrant red or ripple with bright metallic rainbows. Their color-changing abilities (and those of their fellow cephalopods, octopus and cuttlefish) are more sophisticated ...
Plants & Animals
Mar 6, 2019
0
96
The iPhone has become the powerful go-to camera for so many of us. To market just how stunning some of those images can look, Apple invited iPhone users around the world last month to submit the best photos they've captured ...
Consumer & Gadgets
Mar 1, 2019
0
10
Mice with vision enhanced by nanotechnology were able to see infrared light as well as visible light, reports a study published February 28 in the journal Cell. A single injection of nanoparticles in the mice's eyes bestowed ...
Bio & Medicine
Feb 28, 2019
0
1412
Engineers at MIT and Penn State University have found that under the right conditions, ordinary clear water droplets on a transparent surface can produce brilliant colors, without the addition of inks or dyes.
Condensed Matter
Feb 27, 2019
1
125
Commercially-available diamond tips used in atomic force microscopy (AFM) could help make quantum nanoscale sensing cost-effective and practical, A*STAR researchers have found.
General Physics
Feb 22, 2019
0
7
Researchers have discovered that the ancient technique of heating metal to create vibrant colors creates a nanostructured surface that acts as a perfect light absorber. Perfect light absorbers—materials that absorb more ...
Nanomaterials
Feb 20, 2019
0
60
A variety of laser-based techniques can be used to produce colorful artwork on metals. However, each approach typically requires a different type of laser and very specific settings. In a new study, researchers describe how ...
Optics & Photonics
Feb 19, 2019
0
77
