The Humble Second: We Can Now Measure It To Incredible Precision, It’s Continually Fluctuating, It’s Getting Longer, And It’s Stuck In 1957. All Because Of The Moon – Reprise

There are two ways to define a day: astronomically by measuring the time between midday to midday and by using a manmade clock. The difference between them is that the length of the former fluctuates while the latter remains fixed. As Ian Skellern explains, the same is true for the humble second.

The Humble Second: We Can Now Measure It To Incredible Precision, It’s Continually Fluctuating, It’s Getting Longer, And It’s Stuck In 1957. All Because Of The Moon

There are two ways to define a day: astronomically by measuring the time between midday to midday and by using a manmade clock. The difference between them is that the length of the former fluctuates while the latter remains fixed. As Ian Skellern explains, the same is true for the humble second.

The Watches TV founder Marc André Deschoux (left) with Philippe Dufour

Philippe Dufour Explains The Difference Between The (Civil) Time You See On Your Watch And The True Solar Time (Video) – Reprise

True solar time is measured by the position of the sun and can run up to 16 minutes ahead of and 14 minutes behind the time shown on our clocks and watches. Our friends at The Watches TV spent a day with Philippe Dufour to have a look at this phenomenon in a personal way.

50 interesting things you should know about Earth

50 Unbelievable And Timely Facts About Earth – Reprise

How much time could one survive in space without a suit? Are there truly 24 hours in a day? Why could dinosaurs not live in the present day (shock: ‘Jurassic Park’ is complete fiction)? Where are most of the volcanos on earth? Is there a river beneath the Amazon? How long has it been since it has rained on the driest place on earth? And what percentage of the world’s species we have discovered? Here are 50 things you should know about the planet we live on.

All gold on earth came from outer space

All Gold On Earth Came From A Big Bang (Not That One) In Outer Space – Reprise

The most common choice for classic dress watches has to be gold, but have you ever wondered where that gold originally came from? And by “originally” Ian Skellern isn’t referring to a gold mine on earth but the original source of the gold before it even arrived on our planet. Spoiler alert: it involves an explosion, a very big explosion!

Audemars Piguet Royal Oak Chronograph in stainless steel with blue dial

Focus On Materials: Primer On The Science of Steel, The Stuff Of Cases, Mainsprings, Hairsprings, Pinions, Escapements And The Backbone Of Watchmaking – Reprise

Joshua Munchow talks about steel here, the metal that made the world! Watch cases and other movement components are commonly made from certain stainless steels, 304 and 316L being the most frequent. It also happens that some brands hold exclusive rights to use specific alloys in the production of its watches. Here’s what you should know about steel.

Aurora Borealis seen in Germany, note how bright the scenery looks for a dark night

The How, What, When, Where And Why Of Seeing The Aurora Borealis, AKA Northern Lights – Reprise

Ian Skellern and his wife serendipitously chanced upon “seeing” the aurora borealis while visiting Jackson Hole, Wyoming, and the excitement of that led to months of research. And that research led to spending a few days in the Arctic Circle in the north of Sweden. Here is what Ian has learned about the northern lights so far, some of it firsthand.

All gold on earth came from outer space

All Gold On Earth Came From A Big Bang (Not That One) In Outer Space – Reprise

The most common choice for classic dress watches has to be gold, but have you ever wondered where that gold originally came from? And by “originally” Ian Skellern isn’t referring to a gold mine on earth but the original source of the gold before it even arrived on our planet. Spoiler alert: it involves an explosion, a very big explosion!

El Castillo at Chichen Itza

The World’s Biggest Man-Made Calendar: El Castillo At Chichén Itzá – Reprise

Contemplating the 30-meter-high ancient pyramid at Mayan archaeological site Chichén Itzá in the blazing Yucatán sunlight, Elizabeth Doerr was awestruck by the structure’s complexity. Not just because of the pure historical ramifications of the pyramid and temple known as El Castillo, but also because of its timekeeping capabilities. Yes, you read that right: timekeeping capabilities!

All gold on earth came from outer space

All Gold On Earth Came From A Big Bang (Not That One) In Outer Space – Reprise

The most common choice for classic dress watches has to be gold, but have you ever wondered where that gold originally came from? And by “originally” Ian Skellern isn’t referring to a gold mine on earth but the original source of the gold before it even arrived on our planet. Spoiler alert: it involves an explosion, a very big explosion!