In the late 1400's, John Guttenberg used screws in his famous printing press. Apparently nobody noticed Leonardo Da Vinci's designs from the late 1400's for screw-cutting machines, because first ...

“Nuts & Bolts” riffs on the classic list of simple machines you might recall from grade school. These six devices—the lever, pulley, inclined plane, wedge, screw and wheel—revolutionized human life by ...

It’s also found in lead screws such as those used in linear actuators found in everything from DVD players to CNC machines. The Acme profile is also found in the lead screws of most metal lathes ...

When it comes to CNC machines, your SureFine has screws on its axes, and the Bodgeport does too. A shopbot has an amazing rack gear system, but when you start to dig into the small CNC routers ...

Removing tiny damaged screws from electronics such as laptop computers isn’t doable with a standard screw extraction kit. The bits are simply too large. With its ability to remove machine screws ...

Ease out the stubborn metal screws that appear to be rusted with these three incremental techniques for how to remove rusted ...

From DreamWorks Animation, “Robot” instantly joins the ranks of that studio’s most memorable properties, such as the wondrous ...

A scientist creates an android to assist her with organ transplants in Erika Swyler’s dystopian 'We Lived on the Horizon' ...

This tapered end allows the screw to be inserted into pieces with less resistance than the screw's full diameter. Even on machine screws, there will be a beveled edge to assist penetration. Screws ...

The photo below shows where to find the screws that hold the front panel in place. Before you do any work on the inside of ...

Will children like it? Of course. My two sons, aged 10 and 4, went nuts, and still quote the movie several weeks later (including one unfortunate line of dialogue that involves a word that I can ...

Shoulder screws are a type of machine screw with integral threads that are only present on half or less of the screw shank. A shoulder screw has a partially smooth shaft that will allow the bolted ...