Hadyn Green of consumer.org.nz's been testing the latest virtual reality headsets. So what are the options on the market today and how do they work?

It's a delicate question that's been challenging NASA: How can an astronaut relieve themselves in comfort while wearing a spacesuit.

George Block of consumer.org.nz has just been reviewing the best water blasters on the market. He talks about the perils of water blasting (really!) and whether you should use them to wash your house.

In his book Golden Kicks, sneaker-head Jason Coles charts how popular sports shoes like Nike’s Air Jordans have vaulted from the court onto the feet of the masses.

The problems of private drone use during an emergency; claims that half of the world's web traffic is encrypted; and gamers identify planets for scientists in a cool citizen science project.

Bryan Baker of Svord Knives is a master cutler who's been making knives for more than 30 years. His handmade knives are used by hunters, fishers and cooks closer to home.

This Way Up for Saturday 25 February 2017 NASA's Space Poop Challenge, buyer's guide to waterblasters, the shoes that changed sport, tech news (drone dangers and gamers mapping exoplanets) and handmade knives.

China's ballpoint quest, the rise of the dumb phone, Facebook TV, India breaks space records, a history of cannibalism, and sequencing quinoa.

Is the "dumbphone" poised for a bit of a comeback? Also China's quest to build the perfect ballpoint pen and how the humble biro is being used by the NZ police to fight crime.

This week Facebook gets into the TV business, and India launches 104 satellites in a single mission. It's a new world record and announces the country as a serious player in the commercial space race.