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4th Grade Science Demonstration
Last week, I got to do something that I truly enjoy. I was able to go into my 4th grade son’s Elementary School class and do a couple of science demos. Nothing fancy…just fun stuff. mix of 1 box of baking soda (NaHCO3) and vinegar (HOAc) – produces carbon dioxide (CO2) and a lot of ... -
Instant Chilly Willy: How Instant Ice Packs Work
Since I recently covered how instant hot packs work, it’s only appropriate that I delve into how the instant cold pack works. You’ve seen these packs – like the one shown below. It’s just an innocuous white bag, you squeeze the bag, something inside ruptures and then it gets quite cold (< 40 °F). In ... -
Question
I can’t tell you how much I have enjoyed exploring your website! This may not be the appropriate venue but can you recommend any helpful resources for those who might be interested in learning more about or jump starting a career in pharmacological research and development? -
Revenge of the Nerds (Robotics Team)
I was driving down the street this morning in Guilford, CT (where I live) and I passed a youth baseball team raising money by washing cars. There was a short line of cars waiting to be washed and few kids (~3-4) washing cars. I drove down the street a bit further and I saw something ... -
Quicklime for Quick Heat and Light
Ever seen the self-heating cans and/or camping food containers in EMS or other camping stores? You have food in an inner chamber, something in an outer chamber, you pull a ring attached to the outer chamber, chemicals mix and the outer chamber gets hot heating the food in the inner chamber. This is the same ... -
Think Science Now on the Road: The 2012 NJ STEM Summit
Think Science Now (TSN) hits the road next week for a workshop at the 2012 STEM (Science, Technology, Engineering, and Mathematics) Summit in Newark, NJ. STEM is a fantastic program that ensures that underrepresented minority and female youth have access to top class science education. Hopefully STEM can help lead to their development into future scientists. ... -
Question
Does anyone know where I can find a really cool video/slides that explains the cell cycle? Need it for a class. -
Why Does Helium Do That?
This weekend I was at my nephew’s Bar Mitzvah, and I was confronted with hoards of helium-filled balloons sitting on each table as party favors. My nephew managed to get a hold of some of these balloons, inhaled the helium and…well, you know what happens. When you speak, you sound like Alvin from Alvin and ... -
More About Ice – A Clever April Fools’ Trick and How to Tell Your Bartender is Ripping You Off
I thought I was done with my musings about water….but I spoke too soon. As soon as I published my blog on why ice is lighter than water, I was questioned as to whether it’s possible to have ice be heavier than water. The answer is yes…it’s a great trick to play on unsuspecting guests ... -
Light Ice – It’s a Good Thing
As you can tell from the title, I’m still thinking about water and ice. I have been meaning to expand upon a question/comment about my recent blog: Why Does Salting Melt Icy Roads? One astute observer queries: Why does ice float on water? It’s because ice is less dense (lighter) than water – and I ...