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ScienceOnline2010 - introducing the participants [A Blog Around The Clock]

As you know you can see everyone who's registered for the conference, but I highlight 4-6 participants every day as this may be an easier way for you to digest the list. You can also look at the Program so see who is doing what.
Hope Leman is a Research Information Technologist at Samaritan Health Services. She runs ScanGrants (a free, subscribable (via email or RSS) online listing of grant opportunities, prizes and scholarships in the health and life sciences and community service fields), tweets and blogs on Significant Science. At the conference, Hope will do a demo of ScanGrants.
Ernie Hood is a freelance science writer and he hosts a weekly science radio show - Radio In Vivo - at the local radio station WCOM-FM in Carrboro, NC. Ernie is currently presiding over SCONC - the organization of Science Communicators of North Carolina.
Elle Cayabyab Gitlin writes for Ars Technica, blogs and tweets. And she is always a great help to us at the conference, every year volunteering to help.
Peter Janiszewski is an Obesity Researcher (PhD Candidate) in the Exercise Physiology Lab at Queen's University, Ontario, Canada, a Science/Health Blogger at Obesity Panacea, a freelance writer, a musician, and a Twitterer.
Jayme Corbell, another veteran of our conferences, got her PhD in chemistry at Duke and now works at Catalent.
Jonathan Lifland is the Media and Communications Manager at PNAS (Proceedings of the National Academy of Sciences) and is on Twitter
Read the comments on this post...Seeing Laser Beams [Built on Facts]
Ok, see counselor Troi firing her phaser?

You see this kind of thing all the time on film in scifi. Whether it's Star Trek, Star Wars, or pretty much anything else, energy beams fired from future weapons are visible. Usually someone will point out that in fact laser beams are not visible in this manner. To see light, it has to reach your eyes. This is clearly not possible when all the light is actually traveling down the beam path. You can see this in action with laser pointers - only the spot where the light hits and diffusely reflects is visible. The path is not.
Writers of TV shows usually explain this by saying that the beam is not strictly light, but some stream of particles that slightly emits to the sides along its main path. While this has its own problems, at least it acknowledges the issue.
But what's even more interesting is that in fact there are already automatically particles present along the beam path in the atmosphere. Some of them are sizable particles like dust, others are individual atoms and molecules. Generally they don't scatter much light, but if the light is intense enough then the small amount they do scatter is enough to see. And so you have a visible laser beam. Here's one in my lab:

The beam scatters off the air and you can actually see it as a straight line. Apologies for the terrible camera phone picture, I really need to get a classy camera that can take nice pictures. This is not actually a laser I'm working on, so honestly I'm not sure which variant of frequency-doubled Nd:something laser this is. Probably Nd:YLF.
This is used to pump an infrared ultrashort-pulse laser with a repetition rate of 1 kHz. This can itself be focused to a point in the air, which becomes visible as a little stationary spark as the intense beam ionizes the air. This produces a 1 kHz buzz which can easily be heard by the unassisted ear.
I have to say it's a nice job perk that I can see old science fiction tropes come to life pretty much every day. :)
Read the comments on this post...I Can Haz Books! [Uncertain Principles]
It's not often that I regret having a cell phone that is just a phone, but this is one of those occasions-- I stopped by my publisher today to talk about marketing and publicity, and record a video for the web, and got a stack of finished copies of the book, hot off the presses. If I had a cell phone camera, I'd post a picture, but I don't, so you'll have to settle for a plain-text "Woo-hoo!"
On an only vaguely related note, our cultural activities in NYC will include some college hoops, as there's a preseason "tournament" taking place at Madison Square garden tonight. Syracuse vs. Cal, and UNC vs. Ohio State. Not a bad double bill for November basketball.
Read the comments on this post...A Selective Redox and Chromogenic Probe for Hg(II) in Aqueous Environment Based on a Ferrocene−Azaquinoxaline Dyad
Inorganic Chemistry, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).Novel Method and Parameters for Testing and Characterization of Foam Stability
Langmuir, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).Enantioselective Intramolecular Oxidative Aminocarbonylation of Alkenylureas Catalyzed by Palladium−Spiro Bis(isoxazoline) Complexes
The Journal of Organic Chemistry, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).PtCl2-Catalyzed Cycloisomerization of 1,6-Enynes for the Synthesis of Substituted Bicyclo[3.1.0]hexanes
The Journal of Organic Chemistry, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).Desorption of Polycyclic Aromatic Hydrocarbons from a Soot Surface: Three- to Five-Ring PAHs
The Journal of Physical Chemistry A, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).Why Does Large Relative Humidity with Respect to Ice Persist in Cirrus Ice Clouds?
The Journal of Physical Chemistry A, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).Singlet−Singlet Energy Transfer in Self-Assembled Systems of the Cationic Poly{9,9-bis[6-N,N,N-trimethylammonium)hexyl]fluorene-co-1,4-phenylene} with Oppositely Charged Porphyrins
The Journal of Physical Chemistry B, Volume 0, Issue 0, Articles ASAP (As Soon As Publishable).