A Jacob´s ladder is a favorite project of high voltage enthusiasts. It makes a visually attractive and fun display of a high voltage electrical arc climbing a pair of electrodes. [Keystone Science] ...

The use of portable ladders at the scene of a fire can make significant difference in the overall operation – if they are deployed properly. Portable ladders are an essential tool for ensuring safety ...

Specifying portable ladder packages is part of the initial analysis that must be completed by the apparatus committee. Of the numerous metrics that must be considered when making this analysis, ...

Need a ladder upstairs? Lugging a standard extension ladder through the house is awkward and cumbersome. And if you want to take a standard extension ladder with you in the car, you have to lash it to ...

When do you need a portable Jacob’s Ladder? We don’t know, but apparently [mitxela] doesn’t want to leave home (or the laboratory) without one. So he built a portable unit that works for a few minutes ...

A recently granted patent (Publication Number: US11649677B2) describes a movable ladder with several unique features. The ladder includes a structural frame consisting of two side parts connected by a ...

AVIANO AIR BASE, Italy — An F-16 Viper pilot’s flash of inspiration amid frustration turned into a win in the annual Air Force innovation competition known as Spark Tank, where he beat out 137 other ...

A guide to the use of portable ladders to provide a quick and an easy means of access for work at height. Typically made of metal alloys, they come in 3 differing standards of construction, from ...

Bates College has developed Ladder Safety Guidelines to safeguard employees that perform work with portable ladders. These guidelines are intended to prevent ladder-related accidents and to promote ...

Did you know that more than 22,000 people across the U.S. are injured while using ladders each year? And, unfortunately, 161 people suffered a fatal injury from a ladder in 2020. According to the U.S.