
NASA’s Moon-Bound Megarocket Will Send a Spacecraft to an Asteroid, Too
The launch of NASA’s Artemis I mission will also be the start of the first deep-space rendezvous to be conducted by a solar-sail-propelled spacecraft
Steven Ashley is a freelance science-technology writer and editor.
The launch of NASA’s Artemis I mission will also be the start of the first deep-space rendezvous to be conducted by a solar-sail-propelled spacecraft
An ultraporous humidity sponge could provide 300 gallons of fresh water a day
Fuel injection through Bunsen burner–inspired tubes could cut soot emissions
A provocative new paper suggests some ways to find out
Seven next-generation materials promise to change the way the world is made
An exhibition of inventions, artwork and artifacts explores our relationship with water and how the world might cope with future scarcity of this invaluable resource
Solid oxide fuel cells that can use conventional fossil fuels as well as hydrogen are set to take a larger role in the energy game
Magnetically levitated microbots, some the size of a pinhead, demonstrate construction skills on the small scale
The failure rate may be 90 percent, but if any of these exotic technologies succeeds, it could significantly improve energy security and efficiency
A sail formed not of material, but by electric fields reaching a diameter of 40 kilometers could tap the solar wind and propel the fastest man-made object ever
Some new green car tires offered by major manufacturers roll easier and contain less crude oil
The Pentagon ramps up efforts to field directed-energy beam weapons for land, air and sea
Toyota, the world's largest automaker, has suspended sales of certain models and recalled millions of older ones as its engineers search for the elusive source of a sticky--and dangerous--accelerator problem...
Cellulose-loving fungi can cut biofuel costs by enabling existing corn ethanol plants to process cheaper, woody feedstocks such as corn stover
Ten things to look for in the new Prius hybrid sedan
How new lubrication aims to save the environment
Removing the salt from briny water is becoming more affordable
A tiny R&D firm toils steadily toward a ground-to-orbit vehicle that could pave the way for easier and cheaper access to space
These carbon nanosheets are considered the future of smaller, faster and cheaper electronics
Support science journalism.
Thanks for reading Scientific American. Knowledge awaits.
Already a subscriber? Sign in.
Thanks for reading Scientific American. Create your free account or Sign in to continue.
Create Account