Why banning hikes to the world's tallest tree will never work

The National Park Service is trying to preserve the world's tallest tree by banning hikes to it. But this approach will never completely work since the location of the 380-foot redwood is an open secret. Instagrammers and ...

Researchers study waves created by recreational boats

A new study by researchers in the University of Minnesota College of Science and Engineering's St. Anthony Falls Laboratory found that popular wakesurf boats require a greater distance from the shoreline and other boats compared ...

What's a suborbital flight? An aerospace engineer explains

"Suborbital" is a term you'll be hearing a lot as Sir Richard Branson flies aboard Virgin Galactic's VSS Unity winged spaceship and Jeff Bezos flies aboard Blue Origin's New Shepard vehicle to touch the boundary of space ...

SpaceX almost ready to start testing third Starship prototype

For almost a year now, SpaceX has been building a series of Starship prototypes that will test how the system fares when launched to orbit. Coming on the heels of successful hop tests with the Starship Hopper, these tests ...

Improved 3-D nanoprinting technique to build nanoskyscrapers

Nanowalls, nanobridges, nano "jungle gyms": It could seem like the description of a Lilliputian village, but these are actual 3-D-printed components with potential applications in nanoelectronics, smart materials and biomedical ...

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