Wednesday, January 27, 2010

Science Gifts Unwrapped: the Microscope

Here's a nice daydream for you. You've been given a microscope for the holidays, for your birthday, for St Swithin's Day... whatever the occasion, you've got a terrific gift on your hands. So now what do you do?

Science writer Natalie Angier put her view on the matter in this way in her excellent book, The Canon:


"Another fail-safe way to change the way you see the world is to invest in a microscope. Not one of those toy microscopes sold in most Science 'n' Discovery chain stores, which, as Tom Eisner, a professor of chemical engineering at Cornell, has observed, are unwrapped on Christmas morning and in the closet before Boxing Day... it wasn't until my daughter received a dissecting microscope as a gift, and we began using it to examine the decidus of everyday life, that I began yodelling my hallelujahs. A feather from a blue jay, a fiddlehead fern, a scraping from a branch that turned out to be the tightly honeycombed housing for a stinkbug's eggs. How much heft and depth, shadow and thistle, leap out at you when the small is given scope to strut..."

-- page 24



Almost any microscope will open up a world of wonder and amazement for you, if you give it a chance. Life on earth, after all, began with the very, very small. Much of what goes on in the world around us, and indeed passes unnoticed, is a result of processes taking place at the level so minute that human eyes require mechanical aid to see it. What is the largest and most successful class of living organism on the planet? If you said bacteria, then you're exactly right.

There are a few simple things to remember, before you even get started:


  1. The microscope is only as good as its parts. By this, I mean that if you buy the inexpensive microscope with plastic optics and expect to be able to see wonderful things through it, you're probably in for a disappointment. It's not a universal law, as there are some good inexpensive 'scopes out there, but basically, you do get what you pay for. And I mean that in the nicest possible way.

  2. Bells and whistles are good. You will find that the more flexibility that your microscope offers you, the more possible uses you will likely find for it. Interchangeable eyepieces and objectives, binocular / dissecting versus traditional design, multiple light sources with a rheostat, adjustable stages, compatibility with digital camera add-ons - these are just some of the things to consider. You'll want to get the most out of your microscope, so why not make it as flexible as possible?

  3. Consider what you don't know. Then get a book. Two books, even. Books will give you some great ideas for basic sorts of experiments, and serve as a guide to the basic equipment that you'll need to go with your microscope.

    Here are some possible books to consider, from the shelves at the Beagle...


    • Star Levine's The Ultimate Guide to Your Microscope - colourful and well-illustrated, with lots of discussion of technique and the fundamentals of microscopy. Indispensible, especially for younger readers.

    • Richard Headstrom's Adventures with a Microscope - I'm a huge fan of Dover Books, and this is a wonderful reprint. Don't let the fact that it's almost 70 years old fool you - this is a great book, filled with lots of practical exercises and possessed of a quirky, idiosyncratic style. Headstrom also wrote Adventures with a Hand Lens, which I heartily recommend.

    • Georg Stehli's The Microscope and How to Use It - another Dover book; the discussion of microscope technology will interest anyone who likes to know about the history of science, but it is somewhat dated now. The rest of the book, however, is again full of practical, sensible suggestions for projects and explorations with a microscope.




  4. Attend a class. Even audit a local university-level biology class, or look for a workshop (we've got one in the planning stages at the Beagle, watch this space for details). If you studied biology at university, or way back in high school, you'll want a refresher course.

  5. Slides: making your own, buying prepared. Personally, I think it's good to do both. You can get a basic slide preparation kit from us, or put together your own, suited to your own interests and requirements.




It's your microscope: do what you want to do. The possibilities of the micro world open up just as readily as do those of the macro world with a pair of binoculars or a telescope: don't miss your chance to see all things miniature.

Monday, January 25, 2010

The Galileo Project

The International Year of Astronomy may be over but the celebrations of Galileo continue. This Sunday, January 31, at 4pm, The Friends of Chamber Music present Tafelmusik -- The Galileo Project: Music of the Spheres at the Folly Theater, 300 W 12th St., Kansas City, Mo. This concert will include NASA/Hubble Space Telescope images, live narration, and even some music by Galileo's father, the famed lutenist and music theorist Vincenzo Galilei.

In addition to the music and images, there will be a lecture beginning at 2:30 on "The Life and Inventions of Galileo," featuring facsimile copies of first edition books by Galileo courtesy of Linda Hall Library.

For more information check out http://www.chambermusic.org/Default.aspx?tabid=137

For tickets go to http://www.chambermusic.org/Default.aspx?tabid=194&CategoryID=2&List=1&SortField=ProductNumber%2cProductName&Level=1&ProductID=49

Monday, January 18, 2010

What We're Reading

You could imagine that we're a bookish lot, and to a great extent that is true. One of us, of course, is fond of claiming that he has no time for anything but work or school, but personally I suspect that such a statement is really just a cover for various nefarious activities. Nevertheless, it remains true that we tend to read a lot, each in our own areas of interest and speciality.

One thing that we are reading, however, is Michael Faraday's 1861 classic, The Chemical History of the Candle. Originally presented as a popular lecture, the Chemical History is a beautifully clear and cogent introduction not only to Victorian chemistry and physics, but to the fundamentals which we still must understand 150 years later. Clearly, cogently written and accompanied by a range of experiments, this book represents some of the best of 19th century popular science.

And further, these are experiments which cry out to be performed. Some of the demonstrations and illustrations are remarkably simple. Relying upon simple experimental tools, Faraday's demonstrations are just as impressive today as they would have been in the 1850s and 1860s.

At one point, we had considered attempted to re-stage Faraday's lecture, with a significant number of the demonstrations intact. It would take time and effort, but I think that it would be a great deal of fun and highly informative (aside from which, I'd love an excuse for a round of snap-dragon). Interested? Leave us a comment and let us know if you'd like to see and hear the words of Michael Faraday given new life.

Saturday, January 16, 2010

The Elements and How to Keep Them

Most days, I could go either way when it comes to a certain popular web video site. I have subscribed to some people who post regularly, but I tend to lose interest after a while. In most cases. Not, however, in the case of the University of Nottingham's The Periodic Table of Videos (their main site is here). These videos are genuinely worth your time, even if you don't have the slightest interest in chemistry.

A case in point: their most recent posting, which really deserves a look:


Additionally, around the holidays, this was one of my personal favorites:



Personally, I think these videos are amusing, intelligent, and fascinating. But that's one person's opinion. What's your view? Post it in the comments.

Interested in starting your own collection of elements, but don't have the $2,000 mentioned in the video for even the basic set? You can at least dip your toe in the shallow end - check out those available from the Beagle, by following this link to the webstore:



And if you have your own element questions, don't forget that there's at least one person at the Beagle with more than just a little chemistry knowledge...

Friday, January 15, 2010

High School Students' Science Alliance Update

I've asked David Dunalewicz, our roving high school correspondent / part-time lackey (don't worry, David, I'm a lackey too), to provide his impressions on "how it went", with regard to the High School Students' Science Alliance meeting which was held last Monday. He's provided this assessment:


"The recently formed High School Students' Science Alliance had their very first meeting on January 11th. We had a very nice turnout, and we got a lot decided about how the group will operate in the future. Those in attendance engaged in a discussion on one of the Beagle's favorite scientists-Charles Darwin-and enjoyed a one hour insight into his fascinating life, and how his observations and research completely changed science forever. We are happy to say that this meeting was a very successful start to the Science Alliance, and we look forward to expanding the group in the future."




This being an undertaking largely by-and-for the high school set, it's a Facebook-driven sort of thingy. So be sure to take a look at the HSSSA (surely there's an entertaining acronym there somewhere) group, or to check out the Beagle's own large-looming Facebook entry, and find out what's going on. You can also email us at the Beagle, or check the Beagle's website. After all, it's what all the really cool* kids are doing...

Congratulations to David and everyone involved, and here's to hopes for many more successful meetings to come!




* "cool" here defined as "those who almost definitely will not have a future career involving frozen slabs of ground beef". Not strictly an OED definition, but you get the point.

Tuesday, January 12, 2010

Science Club for January: Mr Electricity

This month at HMS Beagle, Science Club members will be in for a treat when they come to see Mr Lightning (also known as Steven Siegel) put on a demonstration of all things electric. Come and see a Tesla coil, a bicycle-powered light, spark generation, and much more!

Looking for a related gift idea? Here are some relevant sections on the Beagle's webstore, have a browse...



Remember, HMS Beagle's Science Club presents new and compelling topics in science every month for school-aged students. To find out more, check out our Science Club Meetings page or email us for more information. Please remember that we do ask for reservations in order to ensure that we have sufficient space for participants: email us at the link above to reserve your spot!

Friday, January 8, 2010

The Hubble Space Telescope in Action

With a hat tip to the BBC's The Big Picture which featured this photo, here is another of those brilliant Hubble images for you to enjoy...


From the article:


"The image shows a rich tapestry of 7,500 galaxies stretching back through most of the universe's history. The closest galaxies seen in the foreground emitted their observed light about a billion years ago. The farthest galaxies, a few of the very faint red specks, are seen as they appeared more than 13 billion years ago, or roughly 650 million years after the Big Bang. This mosaic spans a slice of space that is equal to about a third of the diameter of the full Moon (10 arcminutes)."



Follow the link to Hubblesite.org for the full details and a chance to download larger, higher-quality versions of this image.