To choose the optimal size, it is necessary to measure the circumference of the wrist at the widest point using a flexible centimeter tape or ordinary thread.​ Watches with an average case diameter of ...

The size and length of the wire used can be flexibly changed depending on the size of the bracelet or wire you have. Main wire : can use wire with diameter from 0.9 to 1.2mm ( 19 gauge to 16 gauge ) ...

A pair of nascent planets have been caught smashing together around the nearby star Fomalhaut, and in doing so have solved ...

Canvas tents are the big, burly older brother of everyday backpacking tents but they’re traditionally bulky, heavy, and difficult to set up. Worth the hassle if you’re a hunting outfitter or setting ...

A chainsaw can be a significant investment that you want to get a lot of work and use out of as long as you can. Here are some models to avoid.

Whether you’re a new runner or an experienced one, the stride length you naturally choose is likely your most efficient, ...

In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist ...

The rings of Saturn are normally thought to be flat, but measurements by the Cassini spacecraft show that some of their ...

Half advice show. Half survival guide. Half absurdity-fest. (Wait, how does this work again? We're not numbers people.) Each episode, we answer all your burning questions, from how to survive a public ...

Indian mathematician Srinivasa Ramanujan’s formula for Pi can help with calculating black holes, studying percolation, or ...

Our car insurance calculator can show you what you might expect to pay. But don’t count on your rates staying the same ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...