Monthly Archives: September 2015

Flamethrower Halloween Jack o Lantern — Is a wussy little tea light too tame to illuminate your carved Halloween pumpkin? Try this easy flamethrower jack o lantern. It shoots flames 2-3 feet into the air for 30 minutes to a couple of hours. You can even color the flames. Here’s what you do: Flamethrower Jack o […]

Flamethrower Jack o’ Lantern Tutorial

This entry was posted on September 26, 2015 by Anne Helmenstine (updated on August 25, 2021)

Wondering whether you can see the September 2015 total lunar eclipse? This image shows the parts of the Earth visible to the Moon at its greatest eclipse. If you are in this picture, you can see totality! (SockPuppetForTomruen) — Are you ready for a rare astronomical event? This weekend, you can see a supermoon total lunar eclipse, which is the last eclipse of the “blood moon tetrad” of total lunar eclipses over the past year. Why Is the Supermoon Total Lunar Eclipse Special? This particular eclipse is special because […]

How To Watch the Supermoon Total Lunar Eclipse

This entry was posted on September 23, 2015 by Anne Helmenstine (updated on May 11, 2022)

Your homemade glow in the dark paint is safe enough to use on your face and your bod. You could even add it to your hair. (H Heyerlein) — Take your Halloween costume to the next level with glow in the dark face paint. It’s easy to make safe, non-toxic glow in the dark paint to use on your face or as body paint. While you can buy glowing paints [glowing face and body paint at Amazon], there are […]

How to Make Glow in the Dark Face Paint

This entry was posted on September 22, 2015 by Anne Helmenstine (updated on May 2, 2021)

Using wedge and dash notation, solid lines (sticks) represent chemical bonds in the plane of the surface. Black wedges represent chemical bonds coming toward you, while dashed lines are for bonds that extend back behind the surface. — The wedge and dash notation is used to represent three-dimensional structures of molecules using a two-dimensional surface, like a sheet of paper or a computer screen. This type of structure is also called wedge-dash notation or wedges and dash notation. It is commonly used in organic chemistry, though you may […]

Wedge and Dash Notation for 3D Chemical Structures

This entry was posted on September 21, 2015 by Anne Helmenstine (updated on May 19, 2021)

This man let bees sting him on his private parts for science! — For the past 25 years, the Ig Nobel Prize has recognized scientific research that makes you laugh and then makes you think. The 2015 Ig Nobel prize includes an award, a piece of paper signed by actual Nobel laureates, and a cash award of 10 trillion dollars (Zimbabwe currency). The […]

2015 Ig Nobel Prize Winners

This entry was posted on September 17, 2015 by Anne Helmenstine (updated on May 19, 2021)

This is a collection of periodic table of elements HD. These high definition images print and resize cleanly. Note you can find many more HD periodic tables in our printable table collection. Click the link for the specific periodic table if you want a black background, other color options, or […]

Periodic Table of Elements HD

This entry was posted on September 16, 2015 by Anne Helmenstine (updated on January 9, 2023)

It’s that time of year again! Are you ready for the 2016 Ig Nobel ceremony? The Ig Nobel Prize is awarded every September to outstanding scientific research, achievement, or an invention that first makes you laugh, and then forces you to think. The 2016 Ig Nobel ceremony or “The Igs” will be […]