Water boils at 10°c when it placed at 27km above ground.why?

Water boils at 10°c when it placed at 27km above ground.why? Because the pressure is much lower at that altitude. All liquids boiling points are pressure dependent. Manipulating gas pressures (compressing the gas) is at the core of all heat pumps (air conditioners). Gaseous refrigerant is pumped to higher pressure in order to increase it’s … Read more

Lemon juice is the key to sparkling clean windows, but most use it wrong. Here’s the right way to use it

Lemon juice has long been touted for its versatile uses in the household, and remarkably, its effectiveness in cleaning windows is no exception. Citrus aficionados often glorify lemons for their powerful, natural cleaning properties. Yet, despite its numerous mentions in cleaning tutorials and guides, many people mistakenly use lemon juice in ways that compromise its … Read more