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Using a laser to detect the effect of radio waves on certain atoms is the basis for a new kind of antenna that resists interference and can receive a wider range of signals. Click talks to David Anderson who has reinvented the antenna from scratch.

4D printing allows 3D objects to can change shape reacting to external inputs such as pressure, temperature, light or other environmental stimuli, making 4D printed creations interactive. Researchers in Wellington, New Zealand are using biology as inspiration for their 4D designs. Click鈥檚 Simon Morton reports.

Dan Hett鈥檚 鈥淭he Loss Levels鈥� appears as part of the Alternate Realities tour at the Brighton Digital Festival. 鈥淭he Loss Levels鈥� is a deeply personal and experimental arcade game that narrates the artist鈥檚 experience in 2017 when he lost his brother in the Manchester Arena terror attack. Click talks to Dan Hett.

The digital era gives us everything to own, but nothing to touch. In recent years there has been a return to vinyl with record shops opening up across the world: in Berlin alone there are more than 100. As a preview to Click鈥檚 special Radio Theatre programme next week, Snezana Curcic examines the relationship between analogue and digital.

(Image caption: Vacuum tube, radio 鈥� credit: Getty Images)

Producer: Colin Grant