Artwork: How radio waves travel from a transmitter to a receiver. 1) Electrons rush up and down the transmitter, shooting out radio waves. 2) The radio waves travel through the air at the speed of light. 3) When the radio waves hit a receiver, they make electrons vibrate inside it, recreating the original signal.
A glass of port, a fortified wine. Fortified wine is a wine to which a distilled spirit, usually brandy, is added. Many different styles of fortified wine have been developed, including Port, Sherry, Madeira, Marsala, Commandaria wine, and the aromatized wine Vermouth.
differences in fortified wine. grape varieties used, how far fermentation is allowed to progress before spirits added, aging after fortification. two types of fortified wine. fortified while fermentation is taking place (sweet ie Port); dry wines that are fermented dry before fortification (ie Fino or Oloroso Sherry)