The heat index is used to calculate not the actual temperature of the air around you, but instead how hot you feel. This all comes down to sweat.

With the heat of summer upon us, we hear a lot about the heat index in our weather forecasts these days. But what exactly is the heat index and how is it calculated?

How hot are your key components getting? There’s a good chance you’ve built a project and thought: “Well I guess I better slap a heat sink in there to be safe”. But when wor… ...

The specific heat capacity of water is 4.18 Joules per gram per degree Celsius. For copper, the specific heat capacity is 0.385 J/g/°C (yes, water has a very high specific heat capacity).