News tagged with spectroscope

3-in-1 optical skin cancer probe

As thousands of vacationers hit the beach this summer, many of them will expose their unprotected bare limbs to direct UV sunlight, potentially putting them at risk of skin cancer later in life. To fight ...

Aug 05, 2014
3.7 / 5 (3) 0

Unfrozen mystery: Water reveals a new secret

Using revolutionary new techniques, a team led by Carnegie's Malcolm Guthrie has made a striking discovery about how ice behaves under pressure, changing ideas that date back almost 50 years. Their findings ...

Jun 10, 2013
4.8 / 5 (23) 5 | with audio podcast

Elucidating energy shifts in optical tweezers

A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...

May 08, 2013
5 / 5 (1) 0

On the ski trail of success or failure

The glide of a pair of skis is not something to be taken lightly when going for World Championship or Olympic gold. The physical structure on the base of skis is tailored to each venue.

Mar 05, 2013
4 / 5 (1) 0

Clays on Mars: More plentiful than expected

(Phys.org)—A new study co-authored by the Georgia Institute of Technology indicates that clay minerals, rocks that usually form when water is present for long periods of time, cover a larger portion of ...

Dec 20, 2012
4.6 / 5 (5) 0 | with audio podcast

Solving mysterious enzyme structure

Scientists at the Max Planck Institute for Chemical Energy Conversion (MPI CEC) have solved a long-standing puzzle in photosynthesis research. With the aid of quantum chemistry they were able to provide unexpected ...

Dec 12, 2012
5 / 5 (6) 0

Astronomer point the way for exoplanet search

(Phys.org)—Though the search for planets around other stars, or exoplanets, is showing researchers that planets are abundant in our galaxy, it helps a great deal to have directions when searching for as-of-yet ...

Nov 13, 2012
4.5 / 5 (2) 0

Scientists discover ageing star destroys planet

(Phys.org)—An international team of astronomers has found evidence that a planet was destroyed by its ageing star. Led by Pennsylvania State University (Penn State) in the United States, the team showed ...

Sep 21, 2012
5 / 5 (3) 2