A subwoofer (or sub) is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass. The typical frequency range for a subwoofer is about 20–200 Hz...

The term Scandinavia always includes the three kingdoms of Denmark, Norway, and Sweden. The remote Norwegian islands of Svalbard and Jan Mayen are usually not seen as a part of Scandinavia, nor is Greenland, an...

The meaning of a spiritual retreat can be different for different religious communities. Spiritual retreats are an integral part of many Hindu, Buddhist, Christian and Sufi (Islamic) communities.In Hinduism and Buddhism, meditative retreats are seen...