John Galt is a fictional character in Ayn Rand's novel "Atlas Shrugged." He is a mysterious and enigmatic figure who is a symbol of individualism and the pursuit of one's own happiness. The phrase "Who is John Galt?" is a recurring question throughout the novel, representing the search for the truth and the identity of the man who represents the ultimate ideal of human achievement and independence. The phrase "Atlas shrugs off the world" refers to the idea that the most productive and innovative members of society, represented by Galt and his allies, withdraw their talents and efforts from a society that does not appreciate or value them, leading to the collapse of the world they once supported. **

The most affordable international motorsport is likely karting. Karting is a popular entry-level motorsport that is relatively affordable compared to other forms of racing. It provides a great platform for aspiring racers to develop their skills and gain experience in competitive racing without the high costs associated with other forms of motorsport. Additionally, karting events and competitions are held worldwide, making it accessible to a wide range of participants. **

A good option for downhill mountain biking that is affordable, compact, lightweight, and portable is a folding mountain bike. These bikes are designed to be easily folded and carried, making them convenient for transportation and storage. They are also typically more affordable than traditional mountain bikes and are lightweight, making them easier to handle on downhill trails. Overall, a folding mountain bike is a great choice for those looking for a practical and versatile option for downhill biking. **

A modern round arch typically has a smooth, curved shape with a consistent radius from the center to the edges. It is often made of materials such as steel, concrete, or glass, and may have a sleek, minimalist design. Modern round arches can be found in architectural structures such as bridges, buildings, and art installations, and they are often used to create a sense of openness and fluidity in a space. **

International Men's Day is celebrated on November 19th each year and aims to raise awareness about men's health issues, promote gender equality, and celebrate positive male role models. It also highlights the contributions that men make to society. International Women's Day, on the other hand, is celebrated on March 8th and focuses on promoting gender equality, celebrating women's achievements, and raising awareness about women's rights issues. It is a day to recognize the social, economic, cultural, and political achievements of women around the world. Both days are important in promoting gender equality and highlighting the challenges and successes of both men and women. **

Yes, Christmas is celebrated internationally in many countries around the world, although the customs and traditions may vary from one culture to another. While it is a Christian holiday commemorating the birth of Jesus Christ, it has also become a secular and cultural celebration for people of various backgrounds. Many countries have their own unique ways of observing Christmas, such as with special foods, decorations, and customs, making it an international holiday with diverse interpretations and practices. **

Yes, science is international. Scientists from around the world collaborate on research projects, share their findings at international conferences, and publish their work in international journals. Science transcends borders and cultures, with researchers working together to advance knowledge and solve global challenges. International cooperation in science is essential for progress and innovation in various fields. **

Whether to round down or round up depends on the specific situation and the context in which the rounding is being applied. In general, if the decimal portion is less than 0.5, it is common to round down, and if the decimal portion is 0.5 or greater, it is common to round up. However, it is important to consider the impact of rounding on the overall accuracy and fairness of the calculation. In some cases, rounding up may be more appropriate to ensure that the result is not underestimated, while in other cases, rounding down may be more appropriate to avoid overestimation. Ultimately, the decision should be based on the specific requirements and goals of the calculation. **