If you think the stock market can be a gamble, you'd now be wrong. The latest trading software developed by Virtu—a company specializing in high-frequency trading—has had only one day of loss in the past four years.
Solar photovoltaic cells and solar thermal collectors both capture the sun's rays. The first one turns the light into electricity, while the other turns it into hot water for heating. They usually battle for rooftop real estate, but Naked Energy has found a way to merge them both into a single solar solution.