Tag archives: fluid mechanics
By Tushna Commissariat at the APS March Meeting in Denver
It has been another exceedingly busy day the APS March Meeting – there were sessions on the SQUID’s many applications, robotic clams, global health physics and the spread of epidemics, and even some toys based on physics principles. Here’s another quick round-up of the fascinating talks.
On SQUID row
It’s the 50th birthday of the superconducting quantum interference device or SQUID – a very sensitive magnetometer that accurately measures extremely subtle magnetic fields – this year, and there were sessions this morning to discuss its impact to date as well as possible future applications. Kent Irwin from Stanford University discussed how superconducting photon detectors that are used in a host of astronomical and cosmological observations are being amplified using SQUIDs. Such SQUID-boosted sensors are being used to make more accurate measurements of the cosmic microwave background (CMB) – to look at its power as well as certain polarizations modes it exhibits. As certain experiments look for signs of gravitational waves in in the CMB polarization, this could be particularly helpful.
By Hamish Johnston
We’ve all had a friend who does it – you’re deep in conversation at a party, beer bottle in hand, when someone sneaks up and taps the top of your bottle with theirs, causing a foamy mess to erupt from your bottle. And to add insult to injury, their bottle doesn’t foam.
Now, physicists in Spain and France have studied this curious effect and gained a better understanding of how it occurs. While their work won’t prevent wet shoes and slippery floors at university social gatherings, the researchers believe their work could provide insights into geological features such as oil reservoirs, mud volcanoes and “exploding lakes”.
By Hamish Johnston
Just in time for Christmas, researchers at the Massachusetts Institute of Technology (MIT) have unveiled the ultimate “cocktail accessory”. It’s an edible self-propelled boat that whizzes around on the surface of an alcoholic drink.
By Tushna Commissariat
A peek into the Red Folder this week brings up the CERN Open Days – the biggest particle-physics laboratory in the world will allow people from all over the globe to roam its hallowed halls freely for this weekend. While the most exciting part of the event will undoubtedly be visits into the underground caverns that host the Large Hadron Collider’s experiments, a whole host of other activities for researchers, science enthusiasts and children are available. Also this weekend, as a part of the European Researcher’s Night festivities, CERN will be hosting events in Paris, Geneva and Bologna for their Origins 2013 event that looks at two big scientific discovers made in the past two years: the discovery of the Higgs boson at CERN and the latest Planck mission data. For those of you attending, “Speed-dating – close encounters with researchers” definitely caught our eye. Those of us not fortunate enough to be in any of those places can watch many of the festivities via a live webcast. And lastly, you can explore CERN from the inside on Google Maps with Street View.