aka riptidef aka krossbow aka fred

These are my links for April 18th:

• Conundrums – Surfing Scientist – The Lab –
• Free Logo Design ? Logo Maker – Free logo maker. 100% free! Intuitive and simple design interface allows you to create your own free business logo designs in just minutes. You will receive various electronic files for both web and print use including the vector source files. File fo
• Rader’s PHYSICS 4 KIDS.COM – So you’re asking, what is PHYSICS? Everything in the universe has an effect on every other thing. Physicists study those forces and effects. It is a science that relates to all other sciences: Chemistry, Biology, Geology, Astronomy, Meteorology, Engineeri
• Rader’s GEOGRAPHY 4 KIDS.COM – Many of you may not be familiar with PHYSICAL GEOGRAPHY. It’s the biggest EARTH SCIENCE around. It uses many ideas from other sciences that you have seen before. We can only begin to explain how ideas from many different fields combine into the knowledge
• Rader’s BIOLOGY 4 KIDS.COM – So you’re asking, what is BIOLOGY? Well… Here’s our best definition. Biology is the study of LIFE and the changes that take place with and around all living things. And don’t just think we mean Earth. The study of biology covers every planet and object
• Rader’s COSMOS4KIDS.COM – So you’re asking, what is ASTRONOMY? Well… Here’s our best definition. Astronomy is the study of SPACE and the changes that take place in and around all objects moving through space. It’s more than just Earth and our Solar System. The study of astronomy
• Rader’s CHEM4KIDS.COM – So you’re asking, what is CHEMISTRY? Well… Here’s our best definition. Chemistry is the study of MATTER and the changes that take place with that matter.
• Rader’s NUMBERNUT.COM – We now have three big sections on the site: BASIC MATH: Shapes
• Gridjit: A Social Portal – Gridjit is an easy way to turn your Twitter-verse into a grid view.
• Twitterator – The purpose of this little script is to allow a Twitter user to “follow” a bunch of other Twitter users in one fell swoop?a Twitter friend list generator if you will. Dembo made me do it.
• Radical Math – Radical Math Teachers are educators who work to integrate issues of economic and social justice into our math classes, and we seek to inspire and support other educators to do the same.
• Brainormous.com – Welcome to Brainormous, a site dedicated to fun and education.
• Sharkrunners HQ: Sharkrunners: Shark Week: Discovery Channel – Sharkrunners is a game of oceanic exploration and high stakes shark research. Players take on the role of sharkrunners: daring and adventurous marine biologists who seek to learn as much as possible about sharks through advanced observation techniques. R
• Share The Skies – Share the Skies is grounded in the principle that all children should have access to high-quality learning experiences. Students have few opportunities to explore astronomy, which is one of the oldest sciences and which affects every aspect of our lives.
• lo-fi librarian» Blog Archive » 58 Twitter Apps (and then some) – Below is a collection of Twitter apps that I have bookmarked, posted about or Tweeted. I thought it might be useful to have them all in one place. This is in no way comprehensive and as such I am sure that I have missed out some of your favourites.