Join Editor-in-Chief Michelle Taylor as she counts the ways to an optimized weighing process. After all, better weighing skills mean better weighing accuracy.
“Here’s some of the stories trending This Week at NASA!” SpaceX Dragon returns The SpaceX Dragon cargo capsule was recently detached from the International Space Station for its return to Earth, just over a month after delivering about 5,000 pounds of supplies and experiments to the ISS. Dragon safely returned to Earth with more than 3,200 pounds of NASA cargo and science samples – completing the company’s fourth resupply mission to the station.
What happens when you die? It's a spooky question, but it doesn't have to be. Even after you depart, there's a lot of chemistry that still goes on inside you.
In a darkened, hangar-like space a small, Roomba-like robot is trying to make up its mind. A new visualization system combines ceiling-mounted projectors with motion-capture technology and animation software to projects the robot’s intentions in real time.
For decades, honeybees have been battling a deadly disease that kills off their larvae and leads to hive collapse. It’s called American Foulbrood and its effects are so devastating and infectious, it often requires infected hives to be burned to the ground. Now, an undergraduate has produced a natural way to eliminate the scourge, and it’s working: using tiny killer bugs known as phages to protect baby bees from infection.
Amoebas aren’t the only cells that crawl: movement is crucial to development, wound healing and immune response in animals, not to mention cancer metastasis. In two new studies, researchers have answered long-standing questions about how complex cells sense the chemical trails that show them where to go— and the role of cells’ internal “skeleton” in responding to those cues.
Conventional solid-fuel rocket motors work by combining a fuel and an oxidizer to enhance the burning of the fuel. In higher-energy fuels, this mixture can be somewhat unstable, and can contain sensitive high explosives that can detonate. A new rocket fuel and motor design adds a higher degree of safety by separating the fuel from the oxidizer, both novel formulations that are, by themselves, unable to detonate.
We may think of black holes as swallowing entire stars— or any other object that wanders too close to their immense gravity. But sometimes, a star that is almost captured by a black hole escapes with only a portion of its mass torn off. Astronomers have gotten the closest look yet at what happens when a black hole takes a bite out of a star— and the star lives to tell the tale.
“Here’s some of the stories trending This Week at NASA!” Images from comet’s Mars flyby
Ever wonder why your favorite sweets taste, well, sweet? Whether they’re made with sugar or artificial sweeteners, it all comes down to chemistry, and a very special shape known as the "sweetness triangle."
An optical engineer led the development of the Rapid Adaptive Zoom for Assault Rifles (RAZAR) prototype. At the push of a button, RAZAR can toggle between high and low magnifications, enabling soldiers to zoom in without having to remove their eyes from their targets or their hands from their rifles.
If growing vegetables in a box with no soil and out of direct sunlight sounds a little fishy, well, it is. Aquaponics is a relatively new way of intensified farming that combines aquaculture and hydroponics, according to a vegetable specialist.
Researchers have created a cellular probe that combines a tarantula toxin with a fluorescent compound to help scientists observe electrical activity in neurons and other cells. The probe binds to a voltage-activated potassium ion channel subtype, lighting up when the channel is turned off and dimming when it is activated.
Engineers have built and tested an earthquake-resistant house that stayed staunchly upright even as it shook at three times the intensity of the destructive 1989 Loma Prieta temblor 25 years ago.