Batteries
Life after cars for Leaf batteries
An Irish entrepreneur is recycling old Nissan leaf batteries and has begun turning some of them into energy storage for the home. How is it done, and is it possible here in New Zealand? Audio
Nelson council no longer accepting batteries at landfill
Nelson City Council is one of a growing number of councils to discourage the dumping of batteries in its landfill. Audio
Honey could help battle button battery injuries
The humble pantry staple, honey, could be given to children who've swallowed button batteries, to help prevent them from suffering serious injury.
Canadian experts have found ten miligrams of honey… Audio
How Elon Musk's 'bet of the century' is paying off
Wall Street Journal reporter Tim Higgins' new book, Power Play: Tesla, Elon Musk and the Bet of the Century, examines the history of the world's most famous electric car company. He joins Jim to… Audio
Green chemistry - better, safer, more sustainable
From safer solvents to make better batteries, to catalysts that can clean up wastewater, green chemists are developing better ways of making stuff. Audio
Green chemistry - better, safer, more sustainable
From safer solvents to make better batteries, to catalysts that can clean up wastewater, green chemists are developing better ways of making stuff.
AudioOur Changing World for 20 August 2020
Scientists at the Centre for Green Chemical Science at the University of Aukalnd, are developing cleaner greener processes and products. Audio
Off the grid: Life on Great Barrier Island during lockdown
Third generation Great Barrier Island resident Tom Daly is living off-the-grid with his wife Beth and three children under six -- Beau (6), Finn (4), Hucks (2). He talks to Jim about how they are all… Audio
World must act to prevent a mountain of EV batteries
Researchers are warning that as more and more consumers switch to electric vehicles, better methods of recycling their batteries are urgently needed to prevent a mountain of waste. One million EVs… Audio
Nickel - more than just a 5 cent coin
The chemical element nickel is named after a German word for Satan or the Devil, but nickel is now more usually thought of as a North American five cent piece, says Allan Blackman in ep 52 of… Audio
Nickel - more than just a 5 cent coin
The chemical element nickel is named after a German word for Satan or the Devil, but nickel is now more usually thought of as a North American five cent piece, says Allan Blackman in ep 52 of…
AudioWhy we need to improve battery life
Where our energy comes from and how its stored is a huge part of conversation around preserving our environment. New battery design might offer an answer. Audio
Fast battery charging in prospect
A significant advance in battery technology offers the prospect of fast charging of devices and cars. Audio
Samsung recall sparks battery safety review
The recall of Samsung's Note 7 phones has prompted a move to modernise safety standards for lithium-ion batteries.
The best lawnmower ever?
A buyer's guide to lawnmowers with George Block of consumer.org.nz. And for the first time in 55 years an electric rechargeable mower tops the list, but it will cost you an arm and a leg! Audio, Gallery
Which rechargeable battery is best?
George Block of consumer.org.nz has been reviewing 11 flavours of rechargeable AA batteries to find out which ones are best, and can save you most cash. So how quickly do rechargeables go flat, how… Audio
Tipping point for home electricity production
Malcolm McCulloch is a renewable energy expert from the UK who says we will soon be at the tipping point for home generated electricity. He is an electrical engineer and the head of Oxford… Audio
Transpower predicts massive shakeup in power sector
The country's power grid operator is predicting a massive shakeup in the power sector including the failure of some lines companies amid a big uptake of new technologies such as solar. Transpower CEO… Audio
Disposable batteries - which ones are best?
Disposable batteries - heavy duty, alkaline or lithium? Which ones are best for you and the environment? With George Block of consumer.org.nz. Audio
Recharging phones and laptops can go on fire
About 50 fires a year in New Zealand are caused by phones, laptops and other electronics when they are being charged. Audio