Yes, there are coin-operated vending machines in Flensburg. These machines can be found in various locations such as train stations, shopping centers, and public buildings. They offer a variety of products including snacks, drinks, and even everyday essentials like toiletries and phone chargers. Customers can use coins to make purchases from these vending machines. **

No, a steam engine cannot be operated with a parabolic mirror alone. A parabolic mirror is used to concentrate sunlight to create heat, but a steam engine requires a heat source to boil water and create steam to generate power. While a parabolic mirror can be used to create heat to boil water for a steam engine, additional components such as a boiler and steam turbine would be needed to convert the heat energy into mechanical energy to operate the steam engine. **

The concept of a mirror universe or parallel universe is a popular theme in science fiction, but there is currently no scientific evidence to support the existence of such a universe. In theoretical physics, the idea of multiple universes or parallel dimensions is a topic of speculation, but it remains a hypothetical concept without empirical evidence. While it is an intriguing idea, the existence of a mirror universe or mirror universes is currently purely speculative and not supported by scientific observation or experimentation. **

At the first coin-operated vending machine, which was created in the early 1880s by Percival Everett, customers could purchase postcards for their money. The machine was installed in the railway stations and post offices in London, and for a penny, customers could receive a postcard featuring a picture of the surrounding area. This early vending machine was a novelty at the time and provided customers with a convenient way to purchase postcards without the need for human interaction. **

To hang a self-built mirror on the wall, you will need to first determine the weight of the mirror to choose the appropriate hanging hardware. Next, locate the studs in the wall using a stud finder and mark the desired placement for the mirror. Install the appropriate hanging hardware on the back of the mirror, making sure it is securely attached. Finally, carefully hang the mirror on the wall, ensuring it is level and secure before letting go. **

To program a Magic Mirror or Smart Mirror yourself, you will need a two-way mirror, a monitor, a Raspberry Pi or similar microcomputer, and programming skills. You can use software like MagicMirror², which is an open-source platform that allows you to customize the display with modules for weather, news, calendar, and more. You will need to set up the hardware components, install the necessary software, and configure the modules to display the information you want. Additionally, you can add custom features by writing your own code or integrating third-party APIs. **

Yes, the mirror broke. **

Opinions on mirror selfies being annoying can vary from person to person. Some may find them annoying due to the repetitive nature of the pose and the lack of creativity in the composition. Others may enjoy mirror selfies as a way to showcase their outfit or mood. Ultimately, whether mirror selfies are annoying or not is subjective and depends on individual preferences. **