We know plants need the sun to live because it provides the energy for photosynthesis. And while conventional wisdom suggests that the more sun a plant gets the better, it is not always the case.

In many regions, too harsh sunlight can completely unravel your garden's progress. Protect shade-loving plants from harmful rays with this easy DIY project.

On a much larger scale, solar-thermal power plants employ various techniques ... Another technique uses moveable mirrors to focus the sun's rays on a collector tower, where a receiver sits.