Looking At Nothing

Looking At Nothing

A SA(X)S Weblog

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CC0-licensed image from: https://pixabay.com/en/sailing-sailboat-boat-travel-2542901/

What was and will be, 2018/2019 edition

2018-12-31 Brian Pauw 1

Welcome to the last day of 2018, for some already crossing over into 2019. Let’s take a look at what has and has not been […]

We could find - and fit - up to 10 peaks for some of the membranes!

Steeper than steep: a slope beyond Porod

2018-12-11 Brian Pauw 3

An advance publication by Arda Yildirim, one of the Ph.D. students at BAM, has come out this week. For us, this is a pretty momentous […]

This site's back up! (cc0-licensed image)

… and we’re back on the air

2018-12-05 Brian Pauw 0

After a few evenings of messing around trying to get my backup back online, LookingAtNothing is finally back. The old university servers had been taken […]

What my life has been like the last few months...

The traveling salesman.

2018-11-25 Brian Pauw 0

[Ed: Due to the impeding end of the hosting organization, there will be some changes in the place where this site is run. I’ll have […]

CC0-licensed cheesy image of collaboration from: https://pxhere.com/en/photo/1445429

In need of good SAXS? You can now collaborate with us (like a mini-“large facility”)!

2018-09-19 Brian Pauw 2

If you are in need of good small- or wide-angle X-ray scattering insights to further your projects, I am happy to say that we can […]

Accelerated learning and (MAUS) development through collaborations

2018-08-31 Brian Pauw 2

[update 7th of September: intensity units on the graph have been corrected] Synchrotron staff have known for years, but collaborations really drive progress. Since first […]

Size distributions from analysis of the SAXS and USAXS data, in blue and red, respectively. Scaling factor between the two datasets determined by eye.

SAXS and USAXS, and smearing in McSAS

2018-08-06 Brian Pauw 2

We got some initial results of the sequential SAXS/USAXS experiments we did at Diamond*I22 earlier this year, measuring one of ZoĆ« Schnepp‘s carbon catalysts. Unique […]

Comparison between unweighted averaging of multiple datasets (red curve, left), and an uncertainty-based datapoint weighted average (red curve, right)

Throwing uncertainties into the bin

2018-06-20 Brian Pauw 0

With our new machine, we now have overlapping datasets recorded over several Q-ranges. Ideally, we’d be merging or “binning” these datasets into a beautiful long […]

Detection Limit estimation worksheet.

Handy sheet for calculating SAXS detection limits

2018-06-05 Brian Pauw 2

When researchers ask if we can measure their samples, the usual, unsatisfying answer is: “It depends…”. That’s because the detectablity of their dispersed scatterers depends […]

Zoomed-in area on an Eiger detector showing cosmic rays collected over 12h.

Detectors for good SAXS

2018-04-22 Brian Pauw 1

A few questions have come up via the blog asking what kind of detector would be helpful for getting good SAXS measurements. Having worked with […]

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