Physics 01
Why is there a tiny hole in an airplane window?
The small hole in some airplane window panes connects a gap to the cabin—not the outside. Here is how that changes the pressure across the layers.
everyday science
Space 02
Gravity is still strong at the space station. Why do astronauts float?
The station, crew and loose objects fall together. Weightlessness is about the missing support force, not gravity switching off above the atmosphere.
Physics 03
Metal and wood can be the same temperature. Why does only one feel cold?
Your hand feels heat leaving your skin, not just an object’s temperature. A simple comparison separates temperature, conductivity and misleading thermometer readings.