The daily disposable contact lens

During the Vietnam War, North Vietnamese VietCong guerrillas built a vast network of tunnels in the south of the country as part of the insurgency against the South Vietnamese government and their American allies. The tunnel network was a key base and shelter for the North Vietna ...  Show more

In 1932, hundreds of walkers organised a mass trespass on Kinder Scout, the highest point in England's Peak District.It was a major step in the campaign by workers from the industrial city of Manchester for access to the surrounding countryside, much of which was privately owned. ...  Show more

The Contact Lens. The humble Contact Lens. Oh boy, do we have a rip-roaring episode for you about the humble contact lens.Nazi villains, arrests by secret police, chance encounters on trains and fear of Soviet invasion. And in the middle of it all, an unlikely hero: a Czech chemi ...  Show more

Listener Jennifer is considering switching contact lenses, if there's an alternative that's more eco friendly. She's not alone - we've had lots of questions about eyecare options, and whether the fancy features some lenses offer are worth the extra cash. Joining Greg and Jennifer ...  Show more

As you age, you gradually lose the ability to refocus your eyes -- a phenomenon as old as humanity itself -- leading to a reliance on bifocals, contacts and procedures like LASIK surgery. Electrical engineer Nitish Padmanaban offers a glimpse of cutting-edge tech that's truly a s ...  Show more

Glasses as we know them have only been around for a few hundred years. So what did people do before this? And how did things change once spectacles were on the scene? Listen in to find out.See omnystudio.com/listener for privacy information.