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Undergraduate women in physics find strength in numbers

By Guest PostMarch 6, 2014Education, Scienceadler planetarium, astrophysics, biophysics, carolyn phillips, ceo, debra fischer, erin abouzaid, female scientists, lisa nash, louis block, michelle larson, physics, samantha stam, savannah thais, undergraduate women, university of chicago, yale university, young kee kim

Prof. Young-Kee Kim leads conference for aspiring female scientists

On a mid-January Friday night, Savannah Thais stood at the podium in International House’s Assembly Hall and shared some of her experiences as a female student in physics. She described the refusal of some male students to work with her, the difficulty in finding a female professor or mentor in math or physics, and the common message from adults that “I can’t be ‘girly’ and good at physics.” (more…)

Flawed Diamonds Promise Sensory Perfection

By Guest PostJune 10, 2013Scienceandrey jarmola, berkeley lab, binary digit, biophysics, carbon atoms, center, defense, degrees kelvin, diamond defect, dmitry budker, electron spin coherence, electrons, flawed diamonds, fluoresce, gyroscopes, hebrew university, Jerusalem, liquid nitrogen, magnetic resonance imaging, mri, nanoscale, nir bar gill, nitrogen vacancy, nuclear spin, nv, oscillating magnetic fields, quadrillionths, quantum computer, quantum information, ronald walsworth, rotational sensors, second, sensory perfection, smart phones, temperature

Berkeley Lab researchers and their colleagues extend electron spin in diamond for incredibly tiny magnetic detectors

From brain to heart to stomach, the bodies of humans and animals generate weak magnetic fields that a supersensitive detector could use to pinpoint illnesses, trace drugs – and maybe even read minds. Sensors no bigger than a thumbnail could map gas deposits underground, analyze chemicals, and pinpoint explosives that hide from other probes.

Now scientists at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California at Berkeley, working with colleagues from Harvard University, have improved the performance of one of the most potent possible sensors of magnetic fields on the nanoscale – a diamond defect no bigger than a pair of atoms, called a nitrogen vacancy (NV) center. (more…)

UCLA Engineers Shed New Light on 3-D Motion of Human Sperm Cells

By Guest PostSeptember 20, 2012Health, Scienceaydogan ozcan, biophysics, corkscrew, curved, distance, helical, human, illumination, liang xue, light source, linear, micrometers, microorganism, optical microscope, rotation speed, sperm cell, statistical behavior, swimming pattern, three-dimensional, ting wei su

Using new lensless imaging platform, team observes rare helical movements

A team of researchers from the UCLA Henry Samueli School of Engineering and Applied Science has, for the first time, directly recorded the three-dimensional helical swimming patterns of human sperm cells.

The team, led by Aydogan Ozcan, associate professor of electrical engineering and bioengineering, developed a novel lensless computational imaging platform that accurately tracked more than 24,000 individual sperm cells in a large volume. This involved observing the individual rotations of each sperm cell, including helical movement patterns, rotation speed, and linear and curved distances traveled. (more…)

Tag Archives: biophysics

Undergraduate women in physics find strength in numbers

Flawed Diamonds Promise Sensory Perfection

UCLA Engineers Shed New Light on 3-D Motion of Human Sperm Cells