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Embattled president Dilma Rousseff admitted in a televised address late on Friday that Brazil can do better, and pledged to do more to fight corruption, a day after more than a million people marched to demand better living con stanley cup ditions. HT Image We can do many things a lot better in Brazil, said Rousseff, the day after the protesters demanded cheaper transport and more investment in education and health care as well as a tougher fight against endemic corruption. People have a right to criticise, Rousseff said, adding that she would staunchly defend that right. Appealing for unity Rousseff, who promised to meet with the leaders of peaceful demonstrations as well as workers and community leaders, said: I am the president of all Brazil -- of those who support the demonstration and those who do not. Reaching out to those who feel the government should direct more money to public services rather than on hosting major sporting events, she insisted that football and sport are symbols of peace and peaceful coexistence. But she added that she would not stand by if demonstrations turned violent, as they have in several cities that have seen looting and attacks on public buildings including the fo stanley cup reign ministry in the capital Brasilia. The government cannot stand by as people attack public property ... and br stanley cup ing chaos to our streets, she stressed. Nevertheless, Brazil needs the protesters energy and creativity , Rousseff said. We need to inject oxygen into our po Gnbh Full frontal: Amsterdam museum showcases life of prostitutes
Indian-origin researcher Sanjeev John and his colleague Xun Ma of the University of Toronto have discovered new behaviour of light which could lead to cooler and faster computing. HT Image The two quantum optics researchers have discovered new behaviours of light changes within photonic crystals that could lead to faster optical information processing and compact computers that don t overheat. We discovered that by sculpting a unique artificial vacuum inside a photonic crystal, we can completely control the electronic state of artificial atoms light within the vacuum, lead author Xun Ma was quoted as saying in a statement here Tuesday. This discovery can enable photonic computers that are more than a hundred times faster than their electronic counterparts, without heat dissipation issues and other bottlenecks currently faced by electronic computing, said Ma. Added stanley cup Sanjeev John, We designed a vacuum in which light passes through circuit paths that are one one-hundredth of the thickness of a hum af1 an hair, and whose character changes drastically and abruptly with the wavelength of the light. A vacuum experienced by light is not completely empty, and c airmax an be made even emptier. It s not the traditional understanding of a vacuum. Ma said, In this vacuum, the state of each atom - or quantum dot - can be manipulated with color-coded streams of laser pulses that sequentially excite and de-excite it in trillionths of a second. These quantum dots can in tu