Apr

25

Hubble

April 25, 2005 | Leave a Comment

To celebrate the Hubble anniversary, nothing better than a visit to the HubbleSite to admire the images, the discoveries and the technology of this well-known space telescope.

Apr

21

Acid-Base Indicators

April 21, 2005 | 1 Comment

Three very useful pages about preparation, pH range and color change of acid-base indicators: Acid Base Indicators, ChemDAT Indicators and Preparation of Acid-Base Indicators.

Apr

21

The Periodic Table of Poetry

April 21, 2005 | Leave a Comment

Discover the poetic side of the elements in The Periodic Table of Poetry (Internet Archive link).
Update: everypoet.com presents The Poetic Table of Elements. Original poems about, inspired by, reminiscent of or otherwise related to every element of the periodic table. And you can submit yours…

Apr

19

Pyrotechnics

April 19, 2005 | Leave a Comment

All about the science of fireworks: Pyrotechnics – The art of fire and Dimock’s Pyro Page.

Apr

19

ChemEngInfo – Chemical Engineering Information Sources

April 19, 2005 | 1 Comment

An extensive list of Chemical Engineering related sites: ChemEngInfo – Chemical Engineering Information Sources, by Eugénio Ferreira, professor at Universidade do Minho. In this page one can find links to other interesting sites from the same author, for instance, EngineeringInfo – Engineering Information Sources and EnviroInfo – Environmental Information Sources.

Apr

19

Best Web Sites for Teachers

April 19, 2005 | Leave a Comment

Best Web Sites for Teachers is an excellent compilation of sites by Graeme Daniel, published on wwwtools for Education, specially recommended for educators (an email address may be required to access the site).

Apr

11

Learningscience.org

April 11, 2005 | Leave a Comment

Learningscience.org is an online community dedicated to sharing the newer and emerging learning tools (hardware, software, interactive web tutorials) of science education.

Apr

4

Attograms, Zeptograms and Yoctograms

April 4, 2005 | Leave a Comment

The measurement of the mass of a protein molecule, on the zeptogram (10-21 g) scale, is now possible, as can be read on New Scientist.com. Previously, in 2000, the mass of a cluster of gold atoms, near one attogram (10-18 g) was already measured. The next goal, a gigantic step, is to develop devices capable [...]

Apr

4

WWW Unit Converter

April 4, 2005 | 2 Comments

One of the best and most complete online units’ converters: WWW Unit Converter.
Update: An extensive list of online converters and calculators can be found on Martindale’s Reference Desk: Units Conversion, Chemistry Calculators and Calculators for different fields and activities.

Apr

3

Linus Pauling: It’s in the Blood!

April 3, 2005 | Leave a Comment

Again, from Oregon State University Libraries, another notable site dedicated to the work of Linus Pauling: It’s in the Blood! A Documentary History of Linus Pauling, Hemoglobin, and Sickle Cell Anemia. From the homepage: ‘Linus Pauling began his professional life studying atoms, and ended it best known for his thoughts on medicine. Linking these two [...]