Hydrazine has powered rockets since WWII. Unfortunately, it's also highly toxic. Researchers in the U.S. and Sweden are working to create a better alternative, and may have a couple new fuels that could do the same job with less risk.
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7:06 am Thu
Aug 29, 2013
The search for a greener rocket fuel
Carl Sagan's Pale Blue Dot image is 30 years old today
Thirty years ago today, the Voyager 1 spaceprobe had completed its ncounters with the outer planets and was careening out of our solar system. The time came to shut off the probes’ cameras to preserve power and memory for the other onboard scientific instruments. But before engineers flipped the switch, one last photo opportunity was […]
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The scientific secrets inside a single grain of moon dust
While scientists have studied Moon rocks for 50 years, researchers have for the first time conducted deep analysis on a single grain of lunar dust, atom by atom. Using a common materials science technique called atom probe tomography that’s not widely used by geologists, the Chicago Field Museum’s Jennika Greer and colleagues probed the grain […]
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Watch how a heavy anvil floats in a vat of mercury
This is so amazing. Watch what happens when a blacksmithing anvil is lowered into a large vat of pure liquid mercury. Update: One of our readers posted the link to the original video in the comments. I have replaced the animated GIF. Thanks, Crispy75. [H/t Alberto Gaitán via Bryce Lynch] Image: Screengrab from GIF
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This 10-foot cloth Lightning cable won’t break like those fragile Apple cables and is only $15
While we all love our iPhones and iPads, celebrating the releases of their latest and greatest versions, it’s amusing to consider how much we at the same time HATE the main item that keeps these little tech marvels powered up and working. No, Lightning cables don’t exactly inspire feelings of awe and wonder. It’s more […]
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Forevernote puts your life stories in print forever and it may be the greatest family gift you can give
Every family is chock full of stories. Stories of history, stories of memory, stories of accomplishment and stories of love. From a grandparent’s tales of life decades ago to a couple’s first meeting to amazing life experiences and moments that you wish could be preserved for future generations. Unfortunately, we all don’t have the literary […]
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Bring art to your bedside with this 3-in-1 wireless charging Bluetooth speaker LED lamp
Minimalism isn’t just trendy, it’s also wise. Clearing clutter and keeping things simple in your home is great for both your mind and for the earth. Bring that movement to your bedside when you replace just about everything on and around your nightstand with the Tree of Light: Wireless Charger + Bluetooth Speaker + LED […]
