The Pudu deer is the world’s smallest deer. They live in bamboo thickets to hide from predators, and can weigh up to 12 kilograms .
 |
| Pudu deer |
Visit for : (Source).
 |
| Fingers Can Detect Nano-Scale Wrinkles |
Swedish scientists have shown that people can detect nano-scale wrinkles while running their fingers upon a seemingly smooth surface. The findings could lead such advances as touch screens for the visually impaired and other products, says one of the researchers from KTH Royal Institute of Technology in Stockholm.
One of the authors, Mark Rutland, Professor of Surface Chemistry, says that the human finger can discriminate between surfaces patterned with ridges as small as 13 nanometres in amplitude and non-patterned surfaces.
"This means that, if your finger was the size of the Earth, you could feel the difference between houses from cars," Rutland says.
Visit for : (Source)
Ever wondered Band-Aids emit a blue flash of light if you rip them off, just the right way ?
Here is the reason behind it
 |
| band-aids blue light |
Triboluminescence is an optical phenomenon in which light is generated through the breaking of chemical bonds in a material when it is pulled apart, ripped, scratched, crushed, or rubbed.
Band-aids emit tribulominescence visible to the human eyewhen pulled apart in the dark. If you’d like to see a video where this occurs, make sure you check the source link.
The phenomenon is not fully understood, but appears to be caused by the separation and reunification of electrical charges.
Visit for : (Source)
I know, the sun doesn't look green or blue but it is actually greenish-blue color . When scientists measure the wavelength (color) of the sun, the peak output is in the transition area between blue and green (about 500 nanometers). So, technically, the sun is green-blue. But, why doesn’t it look green?
 |
| The sun is actually a greenish-blue color |
It doesn't look green because it also emits light at other wavelengths, enough that our eyes blending these wavelengths together perceive the combination as white light. Because of the way our eyes work, we can only see a green star (such as the sun) if its photons are limited to the green range. Therefore, you’ll never actually see a green star (as green).
Visit for : (Source)
Subscribe to:
Posts (Atom)
