Waddies.com Link Exchange Directory

No websites in this category, yet!

---

Chemistry Related Articles

On This Day in Science History - September 9 - First Computer Bug - On September 9, 1947, Grace Hopper discovered the first computer bug. She was working as an operator on the Havard Mark II computer when the operators were attempting to trace ...

Drain Cleaner Can Dissolve Glass - Just about everyone knows many acids are corrosive. For example, hydrofluoric acid can dissolve glass (a chemical you do not want to mess with). Did you know strong bases can ...

This Day in Science History - September 8 - Willard Libby - September 8th marks the passing of Willard Libby. Libby was the American physical chemist who developed the carbon-14 dating method. This method is used to determine the age of 'once ...

Understanding Volume Percent Concentration (v/v %) - One of the simplest yet most confusing units of concentration is volume percent or volume-volume percent (v/v %). It is very easy to prepare a chemical solution using volume percent, ...

Allergic Reaction to Tattoo Inks - A while back I wrote a post about sensitivity reactions to red ink found in some tattoos. One of the comments written in response to that post caught my eye ....

This Day in Science History - September 7 - Friedrich Kekulé - September 7th is Friedrich August Kekulé von Stradonitz's birthday. Kekulé was a German theoretical chemist who figured out how carbon atoms could have a valence of 4 and join together ...

Will We Run Out of Helium? - Helium is the second-lightest element. Although it is rare on Earth, you likely have encountered it in helium-filled balloons. It's the most widely-used of the inert gases, used in arc ...

This Day in Science History - September 6 - John Macleod - September 6th is John Macleod's birthday. Macleod was a Scottish physician who shares the 1923 Nobel Prize in Medicine with Frederick Banting for the discovery of insulin. The 1923 Medicine Prize ...

How to Make Glowing Printer Ink - You can make homemade glowing ink that you can use in your printer to make glow in the dark letters, signs, or pictures. It's easy to do and works on ...

This Day in Science History - September 5 - Voyager 2 - On September 5, 1977 NASA launched the second Voyager space probe, Voyager 1. Voyager 2 was launched two weeks before, but due to the orbital mechanics and relative velocities, Voyager ...