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What is a flash freeze? If it’s raining or snowing and the temperature falls quickly, the wet ground can freeze. This isn’t the same as freezing rain, which occurs when rain falls and freezes on a surface that is 32 degrees or below. What is a whiteout? Paddy Scott // Shutterstock...
The hardest specimens to thaw of course have been the largest specimens. Elephant legs can be >2 metres long and hundreds of kilograms (especially when frozen). A week at room temperature tends to work OK for getting them to a dissectable state. One has to balance the outer deterioration w...
Use a small amount of WD-40 on a cloth to buff away scuff marks on your floors. Make sure to clean the area thoroughly afterwards to prevent anyone from slipping and hurting themselves! 13. Unstick LEGOs Sometimes LEGO bricks snap together so securely that it’s almost impossible to pull ...
Even when properly applied to a clean well-profiled surface, a sealer will wear away over time. The average service life is three to five years, depending on foot traffic, weather, and other exposure conditions. Resealing a concrete patio on a regular basis will help to preserve its color...
Cracking is a major issue with concrete – in fact, it is “guaranteed to crack,” per Raboine – and it can be difficult to patch. It's especially an issue in cold climates, where concrete is prone to cracking during the freeze/thaw cycle. ...
So what is the acceptable minimum room temperature for the UK? The answer is at least 14°C. By ensuring the temperature never drops below 14°C, you’ll help combat the effects of moisture while ensuring internal pipes don’t freeze (don’t forget to lag external pipes). How does my ...
This is achieved using an admixture called an air entraining agent—basically a soap that makes the concrete froth when mixed. But you need to be careful to control the air content since too much can reduce strength. Air content can be difficult to control and can change from temperature ...
The part of the year where local weather conditions allow for successful plant growth. Generally, from the last spring freeze (temperature below 32°F) to the first fall freeze. Individual species may have unique growing seasons. Herbaceous Vegetation ...
The super-cold surface temperature can easily damage your skin if you touch it directly. For the same reason, you never want to taste or swallow dry ice, either. When handling dry ice we suggest wearing safety glasses in case of an explosion. Another important concern with dry ice is ...