Overcome space and time. And like based internet. The effects of city lights on nature. That lets start at the beginning with how we see light. When light enters our eye it hits the retina. And is received by photo receptor cells the socalled rot cells respond to light and dark the cones are responsible for color vision but we only see the light that actually enters our eyes if they were in zambia wanted to know more all. Those light travel. During a thunderstorm or you see. The lightning straight away but we hear the thunder with the delay. Thats because the sound waves move slowly or as light travels super fast at 300000 kilometers per 2nd. It maintains that speed in space where theres a vacuum and it moves only slightly slower through the earths atmosphere but other media slow down for example water in which it travels at a mere 225000 kilometers a 2nd. Light travels like ripples spreading on the surface of a liquid in all directions simultaneously. And in Straight Lines which is wh
Overcome space and time. And like based internet. And the effects of city lights on nature. But lets start at the beginning with how we see light. When light enters our eye it hits the retina. And is received by photo receptor cells the socalled rot cells respond to light and dark the cones are responsible for color vision but we only see the light that actually enters our eyes if you are in zambia wanted to know more. Light travel. During a thunderstorm or you see them. Lightning straight away but we hear the thunder with a delay. Thats because sound waves move slowly or as light travels super fast at 300000 kilometers per 2nd. It maintains that speed in space where theres a vacuum and it moves only slightly slower through the earths atmosphere but other media slow down for example water in which it travels at a mere 225000 kilometers a 2nd. Light travels like ripples spreading on the surface of a liquid in all directions simultaneously. And in Straight Lines which is why we talk of l
City lights on nature. But lets start at the beginning with how we see light. When light enters our eye it hits the retina. And is received by folks who are receptive cells the socalled rot cells respond to light and dark the cones are responsible for color vision but we only see the light that actually enters our eyes if you are in zambia wanted to know more. Trouble. During a thunderstorm or you see the lightning straight away but we hear the thunder. Thats because some. Waves move slowly whereas light travels super fast at 300000 kilometers per 2nd. It maintains that speed in space where theres a vacuum and it moves only slightly slower through the earths atmosphere but other media slow down for example water in which it travels at a mere 225000 kilometers a 2nd. Life travels like ripples spreading on the surface of a liquid in all directions simultaneously. And in Straight Lines which is why we talk of light rays sometimes its even possible for us to see the. Light that does not st
Facility is now on paid administrative leave. And as the number of deaths rises Health Officials say the virus. Could surge later this year i would anticipate that that would actually happen because of the greed of transmissibility. However if you come back in the fall. It will be a totally different ballgame our ability to go out and be able to test identify isolate. And contact race will be orders of magnitude better then what it was just a couple of months ago, im John Lawrence reporting. Will spain has suffered its worst day in the coronavirus outbreak officials there reporting 849 people died yesterday because of the virus and there were more than 9,000 new cases reported in just a 24 hour span. Spain has become the 3rd country in the world overtake chinas death toll or chinas total infection number. Theyre behind italy and the united states. More testing is done more cases in california are being reported. Take a look at the latest numbers more than 7,000 cases, according to john
A unesco World Heritage site all across the globe there are more than 1000 designated sites and every year the list grows a little longer reason enough for us to showcase some of the most beautiful heritage sites here in germany. Germany is home to 46 unesco World Heritage sites few countries have more. To earn that distinction unesco stipulates that the sites have to be authentic and unique and of outstanding universal value. The german World Heritage sites are available lot about the countrys history european history and in fact the history of all humankind. Weve chosen some of them to show what makes germanys World Heritage so unique and significant. Awesome cathedral in north rhinewestphalia became germanys 1st World Heritage site in 1978 in Medieval Times child main king of the franks and emperor of western europe made off in the capital of his empire. He wanted to create a new rome and built his magnificent palatine chapel the oldest part of the cathedral in the late 8 century 18