Cool video: Ceramic head cuts one of the toughest metals in the world

That big block of metal is inconel, an extremely tough "austenitic nickel-chromium-based superalloy," one of the strongest metals known to humans, used in "in extreme environments subjected to pressure and heat" like nuclear plants. How do you cut such a hard thing? Let's watch a video. » 9/15/14 8:30pm 9/15/14 8:30pm

Muwi Concept Lawnmower Turns Waste Grass into Playthings

The electric-sheep lawnmower » 8/20/08 6:18am 8/20/08 6:18am may have tickled your fancy, but this Muwi concept mower from designer Yuli Sung will have you scratching your head. The concept's roughly the same as the sheep: It automatically assesses the grassy areas, and then cuts the lawn without supervision required. Cunningly, it grabs the grass…

Peak's Plasmablade is Sci-Fi-like Surgical Tool of the Future

Cutting open a person for surgery using a plain old scalpel seems pretty barbarian compared to this new cutting tool from Peak. Instead of a sharp metal edge, or even an electrosurgical cutter, the Plasmablade uses pulses of plasma generated around its tip to locally cut and cauterize flesh such as skin, fat and… » 7/25/08 9:20am 7/25/08 9:20am