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 rod cells respond to light and dark the cones are responsible for color vision but we only see the light that actually enter his our eyes if you are in zambia wanted to know more. Light travel. During a thunderstorm or you see the lightning straight away but we hear the thunder. Thats because sound waves move slowly or as light travels super fast. 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 it 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 light rays sometimes its even possible for us to see the. Ligh
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 rod 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. Light travel. During a thunderstorm or you see the lightning straight away but we hear the thunder with a glow. Thats because sound waves move slowly or as light travels super fast yes. 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. 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
Attack on free media. Journalists must feel safe. In europe. Also coming up at recruiting future neo nazis a report on the growing popularity of mixed martial arts here in germany and why its attracting hooligans and far right extremists. But. Full contact sport i think thats the thing which is the most appealing for them if they develop one with the right wing we see in not only in sports that we see in a hostile society. But to our viewers on p. B. S. In the United States and all around the world welcome we begin the day with a sobering statistic for those of us who work and report the news in 201949 journalists were killed doing their job and its yearly reports Reporters Without Borders says that most journalists who were killed were killed in just 5 countries they are syria mexico afghanistan pakistan and somalia the good news is that that number is a 16 year low but all over the world there is a disturbing trend journalists being detained and arrested arbitrarily and many end up i
The clock it seems to be the new norm but more and more people find that increasingly stressful and maybe its time to talk about well time its a funny thing it control all race it can fly it can heal all wounds they say Everyone Wants to use it wisely but what does that even mean my colleague olaf wiig assess the 1st step is simple just change your habits tic toc. And all. Its kind had an alarm clock that one. You picked. All day running like clockwork the tide time is a stern taskmaster safe time we kill time but these days everything has to be just in time. You can still take as long as you like ive got all the time in the world. Sight we can also make something out of our time the 1st time its a gift. But none since time is kind to some less so to others if i have a great time in build im a city where time has never stood still but. Time waits for no man they say. Here i always wanted to come up here used to be behind the berlin wall i was on the other side of the red town hall and
Its make or break in the bundesliga clubs are fighting it out at the top in the middle and on the ball so were just 2 games left before the main season break matchday 16 is everything a football fan could possibly want. League leaders lifesaver just days away from being top of the table at christmas for the very 1st time in their 4 year top flight history if they have to do it is just a small matter getting passed. And the excitement continued into these 3 other matches one of those so braman take on meits 2 sides who are trying to stick clear from any relegation trouble. Welcome to this very special midweek edition of the bonus league here on the w. Im that mechanic line leipzig not off the ball as they get thrown on match day 15 and now the bulls have a very good chance of finishing the year at the top of the table in his 1st season at the club union dogman has turned the red bulls into the raging bulls if they had to stay at the top they need to win their 1st ever title they need to