The 165-foot rope rappel – California’s longest cave rappel – allows adventure seekers to descend from the top of the main chamber directly to the cavern floor. Dangling in the middle of this vast ...

Beyond the main chamber, Moaning Caverns contains additional passages and rooms that continue to be explored and mapped by speleologists (the proper term for cave scientists, not to be confused with ...

Abstract: This paper reports the design innovation and implementation of a novel wheel-leg transformable robot named SWhegPro3. The robot uses a three-impeller design to significantly improve the ...

Abstract: In this letter, an autonomous spiral stair climbing method for tracked vehicles using the reaction force from side walls has been proposed. Spiral stairs are one of the most difficult ...

In 1969, British writer Armstrong (The Battle for God, etc.) entered a Roman Catholic convent, smitten by the desire to""find God."" She was 17 years old at the time--too young, she recognizes now, to ...

A rough concrete facade is not always associated with industrial buildings, warehouses and such. One project which resonates with this idea is the cm House located in Sao Paulo, Brazil. It was ...

Explore the fascinating art of crafting a traditional cow bullock cart using bamboo in this creative DIY woodworking project. Dive into the step-by-step process where we transform simple bamboo ...