【】Light: Science & Applications.
A new camera developed in Sweden is faster than any photography gear on the planet.。
Researchers at Sweden's Lund University built a crazy-fast camera that can capture a staggering five trillion frames per second, or events as short as 0.2 trillionths of one second. Conventional cameras, by contrast, top out at around 100,000 frames per second 。
With the new high-speed film camera, the researchers plan to film rapid processes in chemistry, biology, and physics that are otherwise impossible to capture in photos or videos.。
SEE ALSO:Scientists store digital files in an unlikely place: DNA。"Explosions, plasma flashes, turbulent combustion, brain activity in animals, and chemical reactions — we are now able to film such extremely short processes," Elias Kristensson, a combustion physics researcher and co-inventor of the camera, said in a news release. 。
Kristensson and his research partner Andreas Ehn plan to use the camera — called FRAME (Frequency Recognition Algorithm for Multiple Exposures) — to film combustion as it occurs at the molecular level, they said.。
Combustion is a chemical reaction between a fuel and oxygen, which produces heat. The researchers' ultimate goal is to help make fuel-burning machines (such as car engines, gas turbines, and boilers) more energy-efficient by examining combustion at every fleeting, minuscule stage.。
Thanks for signing up!。
"In the long term, the technology can also be used by industry and others," Kristensson said.。 The scientists and his colleagues recently published a preview article of the camera technology in the journal。
Light: Science & Applications.。
The FRAME camera works differently than more conventional models. Most high-speed cameras capture images one by one, in a rapid sequence. But the Swedish creation uses a computer algorithm that captures several coded images in one picture; those are later sorted into a video sequence. 。Elias Kristensson, left, and Andreas Ehn.Credit: Kennet Ruona/university of lund。
To film a scientific process, such as a chemical reaction, the camera exposes it to light by firing off laser flashes. Each light pulse is given a unique code, and the object reflects those bursts of light, which merge into a single photograph. Next, those images are separated using an encryption key.。
The researchers said that in addition to setting a new speed record, the camera is especially exciting because of its ability to film chemical changes in real time. Without this new high speed camera, researchers could only visualize such rapid events by photographing still images of the process, Kristensson explained.。
"You then have to attempt to repeat identical experiments to provide several still images, which can later be edited into a movie," he said. "The problem with this approach is that it is highly unlikely that a process will be identical if you repeat the experiment."。
The Swedish team said they expect to make more film materials available this fall. Get ready to geek out. 。
The Swedish team said they expect to make more film materials available this fall. Get ready to geek out.。
Featured Video For You 。
相关文章
The Weeknd teases new music in Instagram post
The Weeknd is approaching. 。 The Grammy award-winning singer looks to be in full third-studio-album m2024-11-10Xbox All Access gets you an Xbox plus tons of games for less money
The rumors are true: You can get yourself an Xbox One and a whole library of games to play for a rel2024-11-10Michael B. Jordan surprising a group of kids at school is as pure as it gets
Michael B. Jordan may have won "Best Villain" at the 2018 MTV Movie and TV Awards, but to so many fa2024-11-10Tennis fan who dipped chicken fingers into her soda explains that it tastes... good?
It was the food combination that left the the internet aghast.Yesterday, people were very upset with2024-11-10Olympian celebrates by ordering an intimidating amount of McDonald's
It's no secret that Olympians have to eat clean for years to ensure they're at peak physical conditi2024-11-10David Hogg has plans to run for Congress when he’s 25
David Hogg, one of the powerful young activists who recently graduated from Marjory Stoneman Douglas2024-11-10
最新评论