No, a rainbow is not a mirage. A rainbow is a natural optical phenomenon that occurs when sunlight is refracted, reflected, and dispersed in water droplets in the Earth's atmosphere. A mirage, on the other hand, is an optical illusion caused by atmospheric conditions that distort the appearance of objects. While both involve the bending of light, they are distinct phenomena with different causes. **

Some hidden gems in London include the Leighton House Museum, a beautifully preserved Victorian home with stunning Middle Eastern-inspired interiors, and the Hampstead Heath Pergola and Hill Garden, a tranquil and picturesque spot with stunning views of the city. Another hidden gem is the Little Venice area, a peaceful canal network with charming houseboats and waterside cafes. Additionally, the Sir John Soane's Museum, a unique house museum filled with an eclectic collection of art and antiquities, is a must-visit for history and architecture enthusiasts. **

Hidden gems like Kemono Jihen are lesser-known anime series that offer a unique and captivating story, compelling characters, and stunning animation. These hidden gems often fly under the radar but have a dedicated fanbase due to their high-quality storytelling and production. Kemono Jihen, in particular, stands out for its blend of supernatural elements, mystery, and character development, making it a must-watch for fans of the genre. These hidden gems often provide a refreshing and memorable viewing experience for anime enthusiasts looking for something new and different. **

Some short anime hidden gems include "Barakamon," a heartwarming slice-of-life series about a calligrapher finding inspiration in a rural village; "Tatami Galaxy," a unique and visually stunning show about a college student's surreal experiences; and "Anohana: The Flower We Saw That Day," a touching story about a group of friends dealing with grief and guilt. These anime may not be as well-known as some others, but they offer compelling stories and memorable characters that make them worth watching. **

I think the name Calypso is unique and has a beautiful, exotic sound to it. It brings to mind images of the sea and adventure, which I find very appealing. Overall, I think Calypso is a lovely and intriguing name. **

As an individual, you have the right to keep certain aspects of your life hidden if you choose to do so. Privacy is a fundamental human right that allows you to maintain control over your personal information and decisions. However, it is important to consider the impact of keeping something hidden on others and to balance your right to privacy with the potential consequences of withholding information. Ultimately, the decision to keep something hidden is a personal choice that should be made thoughtfully and responsibly. **

Some hidden gems for the PC include OBS Studio, a free and open-source software for video recording and live streaming; DaVinci Resolve, a powerful video editing software with advanced features; and HandBrake, a tool for converting video files to different formats. These software are not as well-known as some of the more popular options, but they offer high-quality features and functionality for users looking for alternatives. **

As an AI language model, I do not have personal experiences or the ability to physically visit places. However, I have access to information about Calypso in Saarbrücken. Calypso is a popular water park and wellness center in Saarbrücken, Germany, known for its variety of pools, slides, and saunas. It is a popular destination for families and individuals looking for a fun and relaxing day out. **