I have several radiator plants in my living room.

The chemist studied the different radical centers in the compound.

Scientists have detected multiple radio bursts from deep space.

The radii of curvature of the lenses determine the focal length of the camera.

I have two radio alarm clocks in my bedroom.

I used to listen to music on radio cassette players when I was a teenager.

I used to listen to music on radio cassette recorders when I was a kid.

The radiation belts around the Earth protect us from harmful solar radiation.

Scientists use radio collars to track the movement of animals in the wild.

I have two radio alarms in my bedroom.