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• One Billion Suns: World’s Brightest Laser Sparks New
Behavior in Light
Physicists from the University of Nebraska-Lincoln are seeing an
everyday phenomenon in a new light. By focusing laser light to a
brightness one billion times greater than the surface of the sun —
the brightest light ever produced on Earth — the physicists have
observed changes in a vision-enabling interaction between light
and matter. Those changes yielded unique X-ray pulses with the
potential to generate extremely high-resolution imagery useful for
medical, engineering, scientific and security purposes. The team’s
findings should also help inform future experiments involving
• E-Cigarettes Potentially as Harmful as Tobacco Cigarettes,
A study by chemists at the University of Connecticut offers new
evidence that electronic cigarettes, or e-cigarettes, are potentially
as harmful as tobacco cigarettes. Using a new low-cost, 3-D printed testing device, researchers found that e-cigarettes loaded with a
nicotine-based liquid are potentially as harmful as unfiltered cigarettes
when it comes to causing DNA damage. The researchers also found
that vapor from non-nicotine e-cigarettes caused as much DNA damage
as filtered cigarettes.
New Guideline for Lithium-Ion
Cell phones may soon be able to handle the extreme heat
of a beach day or the frigid cold of a day on the ski slopes.
Researchers from Rice University have developed a guide on
how to create lithium-ion batteries used in cell phones and
electric cars that are more adaptable for challenging conditions. The research team reviewed and analyzed their own
past work and the work of peers involving lithium-ion batteries
and the problems that are persistent. Electrochemical batteries—which contain a negative anode, a positive cathode and
a conducting electrolyte that allow electrons to move from
one side to the other while either charging or draining—may
offer opportunities for a better battery in extreme conditions.
Read more: https://www.cemag.us/news/2017/07/new-guide-
Negative-stiffness Vibration Isolation
Provides Improved Performance
For decades, pneumatic air tables have been the workhorse for
reducing vibrations in cleanrooms for manufacturing and research,
where critical micro-engineering instrumentation is employed.
But just as technology has steadily pushed the boundaries into
nano-applications in microelectronics fabrication, industrial laser/
optical systems and biological research, so has the need become
ever more necessary for improved precision in vibration isolation.
Increasingly, pneumatic air tables are taking a back seat to the
more recent technology of negative-stiffness vibration isolation,
which over the past 20 years since its introduction, has proven
itself in thousands of applications throughout industry, government
and academia, including some of the most diverse and challenging
environments, such as cleanrooms.
Read more: https://www.cemag.us/article/2017/07/negative-