Category: Physics

Can a cloud freeze? Clouds do freeze in extreme temperatures. Cirrus clouds, which are the highest, are not liquid droplets, but rather ice crystals. What confuses me is why you believe that freezing to solid crystals would make them fall from the sky. The ice crystals do not weigh any more than water droplets would. […]

What foods help sunburn? 6 Sun-Protection Foods to Turn Your Skin Into an Anti-Wrinkle Fortress Blueberries. It just so happens that our favorite summer fruits are also the ones that help protect us during summer, too. Watermelon. Nuts and seeds. Carrots and leafy greens. Green tea. Cauliflower. Is it good to put sunscreen on sunburn? […]

Where are circuit breakers used? This is the breaker used typically in houses, certain industrial uses and small businesses. Types of low-voltage circuit breakers include the Miniature Circuit Breaker or MCB, and Molded Case Circuit Breaker or MCCB. What is the advantage of circuit breaker? For protection against faults of this nature a circuit-breaker is […]

What are the two basic functions of working memory? What are two basic functions of working memory? (1) Active processing of incoming visual-spatial and auditory information, and (2) focusing our spotlight of attention. What are the characteristics and functions of working memory? Characteristics of working memory: Its capacity is limited We are only able to […]

How do you tell if a compound has a high melting point? In general, the greater the charge, the greater the electrostatic attraction, the stronger the ionic bond, the higher the melting point. The table below compares the melting point and ion charges for two ionic compounds, sodium chloride (NaCl) and magnesium oxide (MgO). Do […]

Will a dog hot spot go away on its own? Will dog hot spots go away on their own? Hot spots are not likely to go away on their own, but the good news is that they can be easily treated. The best thing to do when you notice hot spots is book an appointment […]

What disqualifies you for a liver transplant? Aged 65 years or older with other serious illness. With severe organ disease due to diabetes. With severe obesity. With severe and active liver disease such as hepatitis B. Is there age limit for liver transplant? Excellent results can be achieved with elderly donors and there is virtually […]

How do you ask for help in English? (To) give (someone) a hand / (To) lend (someone) a hand. This is another really common way to ask for help in English. To help someone out. Help me out, help you out, help them out. (To) help out. It can be with assistance or it can […]

Can tires lose pressure without caps? It’s not uncommon for valve stem caps to fall off. While a missing valve stem cap may seem harmless, it can lead to loss of air pressure. Without a cap, dirt and debris will enter the valve stem where it can break through the seal. When this occurs, air […]

Can you replace regular headlights with LED? All vehicles fitted with halogen headlight bulbs from the factory are suitable for LED conversion. The main advantage is a massive increase in road illumination and therefore improved safety when driving at night. The kit I used features CREE LED bulbs that have an output of 3,200 lumens. […]