1) The first car with air conditioning was released in 1939.

2) The Triple Double in basketball refers to a player achieving double-digit totals in three of the following statistical categories: points, rebounds, assists, steals, or blocks.

3) The concept of proportional representation, used in some electoral systems, aims to ensure that political parties' representation in government aligns more closely with the proportion of votes they receive from the electorate.

4) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.