In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner (Princeton University) ...
Astronomy
Nov 3, 2011
54
1
By taking advantage of a phenomenon that until now has been a virtual showstopper for electronics designers, a team led by Oak Ridge National Laboratory's Panos Datskos is developing a chemical and biological sensor with ...
Nanophysics
Feb 12, 2010
0
0
Our cells are more like us than we may think. They're sensitive to their environment, poking and prodding deliberately at their surroundings with hand-like feelers and chemical signals as they decide whether and where to ...
Cell & Microbiology
Dec 16, 2009
0
0
Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new acoustic source ...
General Physics
Sep 4, 2009
6
0
(PhysOrg.com) -- Scientists at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. Development of the device brings researchers a big step closer ...
General Physics
Mar 19, 2009
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0
By reversing a process that converts electrical signals into sounds heard out of a cell phone, researchers may have a new tool to enhance the way computer chips, LEDs and transistors are built.
General Physics
Mar 16, 2009
0
0
Sliced light is how we communicate now. Millions of phone calls and cable television shows per second are dispatched through fibers in the form of digital zeros and ones formed by chopping laser pulses into bits. This slicing ...
Engineering
Feb 2, 2009
0
0
The year is 1941. The British military is installing new-age radar systems to detect German aircraft bound for Great Britain, intent on destruction. Fast forward to 2024. Researchers at North Carolina State University are ...
Biotechnology
Feb 6, 2024
0
1
A telecommunications fiber optic cable deployed offshore of Oliktok Point, Alaska recorded ambient seismic noise that can be used to finely track the formation and retreat of sea ice in the area, researchers report in The ...
Earth Sciences
Aug 9, 2023
0
50
Researchers from Osaka University found that Ca2+ signaling simultaneously performed signal amplification and olfactory adaptation. The results demonstrated that this mysterious phenomenon was segregated inside the cilium. ...
Cell & Microbiology
Mar 6, 2023
0
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