Yes, solar vacuum tubes require direct sunlight to work effectively. They rely on capturing and converting solar radiation into heat energy, which is then used for various applications such as water heating. While they can still function to some extent in indirect sunlight or on cloudy days, their efficiency and performance are significantly reduced without direct sunlight.
Yes, solar vacuum tubes require direct sunlight to work efficiently. They are designed to absorb and convert sunlight into heat energy, and the more direct sunlight they receive, the more efficiently they can produce hot water or generate electricity.
Yes, solar vacuum tubes require direct sunlight to work efficiently. They convert sunlight into heat energy, and the more direct sunlight they receive, the more effective they are at heating water or generating electricity.