
You’ve Probably Never Even Noticed Your iPhone’s Most Crucial Feature
Without these crucial bits of engineering on your smartphone, it could not function.

Without these crucial bits of engineering on your smartphone, it could not function.
By Eric Limer

Geeking out on free hub sounds may forever change the way you look at your bicycle.

The mystery of the buttonless buttonhole.
By Gerald Ortiz

Blue skies call for green lenses.
By Gerald Ortiz

Once you find this tricky little detail, you won't be able to unsee it.
By Will Price

Bottoms up. Wait, what’s that indent?
By Tyler Chin

No, extra hole isn’t for improved breathability or the result of faulty manufacturing. It's used to create this little-known knot.
By Tanner Bowden and Ben Emminger

The history of the locker loop, a little detail that dates back to the first half of the 20th century.
By Gerald Ortiz

Ram owners may be wondering why their truck contains crib notes fit for high school math class. So I asked Ram.
By Tyler Duffy

There's a reason why awls were included on the earliest versions of the original Swiss Army Knife.

Holes in pen caps are there to equalize the pressure, making it easier to take on and off. But they also serve a more important function.
By Tyler Chin

What was Apple thinking when the company designed that pretzel-shaped symbol? It turns out, a lot.
By Tucker Bowe

Multiple historians and experts weigh in on the provenance of that incredibly handy pocket on your technical outerwear.

What's the real deal with the extra piece of nylon on the back of these inexpensive watch straps?
By Zen Love

Packs designed for hiking, mountain biking and snow sports often include this clever touch.
By James Stout

Turns out where your car’s wheel is has an awful lot to do with people’s tendency to be right-handed.

Once you learn how to use speed hooks, there's no going back.
By Gerald Ortiz and Jacorey Moon

No, they're not just for looks.
By Tucker Bowe and Eric Limer

The jeans you’re wearing right now have a curious feature you might have pondered.
By Zen Love

Felt helps each Converse keep its shape and remain quiet with each step. But these aren't the actual reasons the shoes have it.
By Gerald Ortiz and Evan Malachosky