As cable companies and Internet access providers compete for customers by offering broadband service, cable modems and digital subscriber lines (DSLs) as faster access to the Web, slower download speeds sometimes prompt greater user response than faster download speeds, a study says.
Dr. S. Shyam Sundar, associate professor of communications and co-director of the Media Effects Research Laboratory at Penn State, and Carson Wagner, assistant professor of advertising at the University of Texas, publish their findings in the current issue of the journal, Media Psychology.
With the growth of Internet-based communication, for everything from electronic commerce to news, researchers have theorized about the impact of download speed -- the time required for the images and information that comprise a full page on the Web to display on a computer screen. The study shows that download speeds induce behavioral and physiological changes for audience members who access information on the Web. The results also show slower download speeds increase arousal in some instances.
Steve Sampsell | EurekAlert!
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A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high-energy photons of unprecedented intensity. This has made it possible to observe the interaction of multiple photons in a single such pulse with electrons in the inner orbital shell of an atom.
In order to observe the ultrafast electron motion in the inner shells of atoms with short light pulses, the pulses must not only be ultrashort, but very...
A group of researchers led by Andrea Cavalleri at the Max Planck Institute for Structure and Dynamics of Matter (MPSD) in Hamburg has demonstrated a new method enabling precise measurements of the interatomic forces that hold crystalline solids together. The paper Probing the Interatomic Potential of Solids by Strong-Field Nonlinear Phononics, published online in Nature, explains how a terahertz-frequency laser pulse can drive very large deformations of the crystal.
By measuring the highly unusual atomic trajectories under extreme electromagnetic transients, the MPSD group could reconstruct how rigid the atomic bonds are...
Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
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23.02.2018 | Physics and Astronomy