since the invention of the light bulb, natural darkness is becoming increasingly invaded by artificial light. once, light was considered unconditionally as an entire positive element: the more light the better. it increases safety and has a positive effect on our moods. but light also has a dark side as scientists have started to reveal. millions of killed insects and migratory birds, psychosomatic disturbances of humans and breast cancer are only some of the effects light can cause.
subscribe to spark for more amazing science, tech & engineering videos: https://goo.gl/lirlur
since the invention of the light bulb, natural darkness is becoming increasingly invaded by artificial light. once, light was considered unconditionally as an entire positive element: the more light the better. it increases safety and has a positive effect on our moods. but light also has a dark side as scientists have started to reveal. millions of killed insects and migratory birds, psychosomatic disturbances of humans and breast cancer are only some of the effects light can cause. subscribe to spark for more amazing science, tech & engineering videos: https://goo.gl/lirlur constructing the second largest ship in the french navy extreme constructions spark constructing mammoth underwater gas pipeline building the biggest spark the largest gold and copper deposit in the world super structures spark is there evidence of alien life already ufo conclusion spark are we formed from the stars life behind the stars spark walking inside a man made tornado richard hammond s wild weather spark 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has a positive effect on our moods. but light also has a dark side as scientists have started to reveal. millions of killed insects and migratory birds, psychosomatic disturbances of humans and breast cancer are only some of the effects light can cause.
subscribe to spark for more amazing science, tech & engineering videos: https://goo.gl/lirlur