New streetlamps could improve your view of the stars.
A new paper published in the journal Optics Express describes a system for focusing light from streetlamps directly on the area required, with almost no light leakage horizontally or vertically. Conventional street lamps scatter up to 20% of their energy away from where it is required, not only wasting power but also leading to light pollution which obscures your view of the night sky.
The proposed LED lamp uses a lens to limit where the light is projected, with a reflecting cavity to recyle light that would otherwise be wasted. The team thinks the system would use between 10 to 50% less power to illuminate a section of road than current LED streetlamps, which are already more efficient than regular lamps.
A prototype is being developed and is hoped to be completed this October.
Macklemore speaks the fuckin truth.People don’t realize how much of a genius Macklemore really is. The only song they know is Thrift Shop, when there are so many more wonderful songs. He raps about the problems of the world. And that is what makes him an inspiring person.
food? no… friend
I like how the hamster’s fear response is to just eat faster like
If I’m going to die, it should be with a full stomach.
so the other day I was at someone’s house and I was playing with their dog and he was so cute and he stayed with me the whole time and we really hit it off so before I left I tried to take a picture of him and the little fucker posed and smiled for me
the internet is trying to break up with me