7:07 The Doppler Effect

The Doppler Effect

The Doppler Effect Photo: By Tkarcher, improved by Tatoute (Image:Doppler effect diagrammatic.png) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5 (https://creativecommons.org/licenses/by-sa/2.5)], via Wikimedia Commons

The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave for an observer who is moving relative to the wave source. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.

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Photo: By Brian Snelson from Hockley, Essex, England (Ferrari 250 TR58) [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

NEEEEEEEEEEEEEEAAAAAAAAAAAW!

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Photo: Creative commons

8:10 Night Mail

To get in touch, email nights@radionz.co.nz , you can text us from your mobile on 2101 or you can find us on Facebook.

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Photo: Creative commons

8:15 Dateline Pacific

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Photo: RNZ

RNZ Pacific's daily current affairs programme covering the major Pacific stories of the week, with background and reaction from the people making the news.

8:30 Spotlight 

Nick Dow

Nick Dow Photo: Claire Eastham-Farrelly

Supporting his debut album "Layers" and his upcoming tour, Auckland-based musician Nick Dow is joined by a string trio to showcase his beautiful songs for a very special RNZ live session.

9:07 Country Life 

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Photo: RNZ/Cosmo Kentish-Barnes

This week Country Life meets Raquel Walker and her equestrian performance coach Jeanette Garrett, who has created a programme for the special needs rider to enable her to compete in Special Olympic events. Training is currently held every week at an equestrian ring in the middle of a Motueka kiwifruit orchard that was badly damaged by Cyclone Gita.

10:17 Lately

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Photo: RNZ

Lately with Karyn Hay is a late night radio show on RNZ National, with an eye on live events, an ear for music, a great sense of humour and a genuine interest in people and their stories.

11:07 The Mixtape

For the latest series of The Mixtape, RNZ Music invites guests to compile a C60 of local sounds, and talk us through their selections.

Rick Bryant

Rick Bryant Photo: Photo by Murray Cammick

On the Mixtape this week Trevor Reekie talks to Rick Bryant. Bryant has been the vocalist and bandleader in a variety of New Zealand bands like Original Sin, Mammal, Blerta, Rick Bryant and the Jive Bombers, The Jubilation Gospel Choir and the Windy City Strugglers.