Both playing chess at a medium to high level and learning software programming can be difficult in their own ways. Playing chess at a medium to high level requires strategic thinking, pattern recognition, and the ability to anticipate opponents' moves. On the other hand, learning software programming involves understanding complex algorithms, problem-solving, and mastering various programming languages and tools. Ultimately, the difficulty of each depends on an individual's aptitude and interest in the respective field. **

For long-term data storage, optical discs such as Blu-ray discs and archival-grade DVDs are suitable options. These discs have a longer lifespan compared to traditional CDs and DVDs, and they are less susceptible to degradation from environmental factors. Additionally, solid-state drives (SSDs) with high-quality NAND flash memory can also be used for long-term data storage due to their durability and reliability. It is important to regularly check and migrate data to newer storage mediums to ensure long-term preservation. **

For a medium-sized company, a route planning software like Route4Me or MyRouteOnline would be suitable. These software options offer features such as route optimization, real-time tracking, and the ability to input multiple stops efficiently. They are user-friendly and cost-effective, making them ideal for businesses looking to streamline their delivery or service routes. Additionally, they can easily scale with the company as it grows. **

I back up my data on an external hard drive and also use cloud storage for additional backup. This allows me to have a physical copy of my data in case of hardware failure, as well as a remote backup in case of any unforeseen events such as theft or natural disasters. Having multiple backup options ensures that my data is secure and easily accessible when needed. **

An external medium refers to the environment or surroundings outside of an organism or system. It includes factors such as temperature, humidity, and other external conditions that can impact the organism. On the other hand, an internal medium refers to the internal environment within an organism or system, such as the bloodstream or cellular environment. It includes factors like pH, oxygen levels, and nutrient concentrations that are regulated to maintain homeostasis within the organism. **

Becoming a medium typically involves developing and honing one's psychic abilities and learning how to communicate with spirits. It often requires training, practice, and dedication to the craft. While some people may have a natural inclination towards mediumship, it is still a skill that can be developed and improved over time. Therefore, one can become a medium through learning and practice, rather than simply being born as one. **

When deciding which medium to choose for a particular message or communication, it is important to consider the audience, the nature of the message, and the desired outcome. For example, if the message is urgent and requires immediate attention, a phone call or text message may be the best medium. If the message is more detailed or complex, an email or written letter may be more appropriate. Additionally, considering the preferences and accessibility of the audience can help determine the most effective medium for communication. **

Medium rare meat is generally safe to eat as long as it has been cooked to the appropriate internal temperature to kill any harmful bacteria. However, consuming undercooked meat can pose a risk of foodborne illnesses such as E. coli or salmonella. It is important to ensure that the meat has reached a safe internal temperature to reduce the risk of foodborne illnesses. **