Browsing: Light

Butterflies are one of the most enchanting beings in the animal kingdom, a symbol of grace and beauty encountered in every art form. From a crawling larva to a majestic winged creature, it’s difficult not to take notice of the similarities between the butterfly’s metamorphosis process and the ups and downs life serves before one […]

Diamonds are for a nano-second – in the glitter of a candle light, that is. In a stroke of brilliance, Professor Wuzong Zhou, Professor of Chemistry at the University of St Andrews, has found millions of diamond nano-particles in the flickering light of a simple candle. Since its invention in China thousands of years ago, […]

A team of Hong Kong scientists have proven that nothing can travel faster than the speed of light in vacuum, at the same time crushing a dream concluding that time travel is simply impossible. Time travel has been a central theme for science fiction for many years, moving minds and imagination to all sort of […]

At 300,000 kilometers/second, the speed of light is constant in vacuum, such as space, when it encounters a different medium, however, such as glass or water, its speed is reduced. Another phenomena that can occur in addition is that light can be dragged when it travels through a moving substance, and scientists at University of […]

A drug which uses light to cure skin cancer is getting nearer and nearer to being offered to sale in Sweden for the tens of thousands of patients suffering from it in this country. The solution is quite simple, cheap and not at all unpleasant as other ways of treating this disease. Researcher Leif Eriksson’s […]