Build Your Own Chain Reaction Machines by Paul Long- Be inspired by the amazing artwork of renowned cartoonist, engineer, and inventor Rube Goldberg, whose wacky, imagined machines accomplished tas…
This is the definition of a chain reaction, as the term is used in chemistry and physics. An example is provided.
Popsicle/Craft Stick Chain Reactions – Herringbone and Clever Levers Of all the craft materials we have ever purchased, I have to say that we have gotten the most bang for our buck with a pack of 300 craft sticks that we bought a couple of years ago! Last year we posted about building an exploding […]
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In 1983, Kary Mullis described the technique of in vitro gene amplification and called it as polymerase chain reaction. Denaturation, annealing and extension are three different steps in the PCR.
Are you a quick thinker and a whiz with word games? All you need is a team of 3 members, friends, family, co-workers, etc. Game Show Network is bringing back an old favorite. The network green lit …
Description:Another ws for your First-Aid Kit! You cut out the cards (laminate them for stronger hold) and pass one for each student. When teacher says "Hello" the chain reaction starts. The students must listen and carry out the task given to them on the card. They cannot carry out their task until the previous one is done by the former student. I was introduced to the activity on a course but invented the tasks myself! Hope you like it. - ESL worksheets
This chain reaction machine is made up of everyday objects and is designed to accomplish a simple task in a silly and complicated way. The motion of this machine is created by a sequence of events, using gravity and simple mechanisms like levers and pulleys to help it along. It will be on display a
I sometimes just sit and think...and my mind wanders into areas I don’t tread daily because of time constraints and the daily shuffle of life. Usually a problem will warrant some contemplation, although not always my own, trying to solve them is becoming more of a pastime than I would like. I have found that the best solution to a problem is the one that averts the problem to begin with. Easier said than done, and certainly not a perfect process, it brings me some comfort to think my preventive measures have some bearing....or do they? Enter “The Domino Effect”... Every moment cascades down upon the next after it, and the one after that, and so forth. Within every moment are the decisions to be made that will determine the direction and speed of the next fall. Picture a room called life, with dominos upright in elegant, yet complex patterns. Perhaps you have set them up...or perhaps you have just happened upon them, it really doesn’t matter because should you tip one over, there is no guarantee that they will follow the complete pattern. What does matter is the decision on which one to tip. Avoidance isn’t an option unless you are going to leave the room...and most don’t want to leave the room before their time. Eventually you will tip one, either by accident...which would be caused by a decision to be in a certain place in the room at a certain time, or on purpose. Accidents happen and events occur that are not within our power to control...however, some events occur that are directly related to a choice we’ve made. We might be very pleased when we tip domino number five...but not so happy by the time domino number ninety-two falls. It almost sounds absurd to ask how we could have known domino ninety-two would fall since the pattern was laid out before us...but often we are so mesmerized by the pattern that we don’t look at the details of it. Sometimes we don’t see the problem until it falls right on top of us...and then, of course, it’s too late. Your decision to act today...or not, could be the direct catalyst for the good fortune that shines upon you down the road...or the cause of a future tragedy. It may sound extreme, but life is extremely unpredictable when we don’t take the time to study the pattern and predict it. Even when this is done, there is no absolute way to be certain of the findings until they are revealed by the hands of time. When you really stop to think about it, the Domino Effect can’t be avoided. All that can be done is a choice of which pattern to tip. Going with the probabilities is always a safer bet than hinging on the possibilities...even if the possibilities can never be ruled out. There are many examples of this in popular culture from books to movies, and although science-fiction takes it to an extreme, I think the point is illustrated well. I’ve examined my own life in this light...indeed, I continue to always examine the decision made right now in this light. Some have accused me of being a deliberate thinker, but I’m just cautiously picking which pattern I like...and which domino to tip.
The Domino Effect helps explain why some good habits catch on and others fail.
1. The PCR technique was developed by a) Kary Mullis b) Kohler c) Milstein d) Altman 2. PCR is a a) DNA degradation techni...
When my children were little we had this fabulous game called “Domino Rally”. They would set it up in our foyer where there was a wooden floor and play for hours. They meticulously set up the line of dominoes and watched the tumbling blocks knocking into structures and cheer when it worked. If you have…
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Despite having some things common, the two can be considered polar opposites.
Scientist conducting the process of Polymerase chain reaction to amplify DNA by using a thermocycler to create samples
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Linus Torvalds, padre del kernel Linux e guru della tecnologia e dell’informatica, è stato insignito del Millennium Technology Prize appena due giorni fa. Il Millennium Technology Prize è una sorta di Premio Nobel per la tecnologia: esso viene consegnato a coloro i quali si distinguono per meriti particolari in campo tecnologico. Il promotore dell’iniziativa è […]
At temperatures of 15 million degree Celcius in the Sun’s core, hydrogen gas becomes plasma, the fourth state of matter.
The debate over nuclear power plants has been going on for some time, with nuclear physicists and lawmakers alike throwing around terms like nuclear fission, cr
Light dependent reactions absorbs sunlight as photons and converts light energy to chemical energy and produces ATP, NADPH+ H and O2.
In Keanu Reeves's new movie, John Wick, he plays a stone-faced contract killer—perfect casting for an actor famous for his otherworldly impassiveness. ...
Looking to explain a chain reaction to kids? Have fun with the whole family by following these instructions to make your very own Rube Goldberg machine.
Chain reaction accidents are a type of accident where one accident causes another to happen, which in turn causes another accident to happen. […]
