Say Cheese!!! Rennin is an enzyme originated from the forth stomach of ruminant animals like cows and goats. Its substrate is the milk protein, Casein. It can also be produced by some microorganisms by genetic engineering techniques. In milk, it denaturates the ca... Continue Reading
Heat capacity and energy Different
materials heat up in different rates. This phenomena is important and could be
seen everywhere in our daily life: When we are heating different foods on the
stove, when we go to the beach and feel the hot sand compared to the cool
water... Continue Reading
Forces and Angles link for BLOSSOMS video : https://blossoms.mit.edu/videos/lessons/forces_and_angles
A vector is a quantity that has both magnitude and direction. Displacement, velocity, acceleration, and force are vectors.
In situations in which vect... Continue Reading
The Dead Sea A family traveled to the Dead Sea.The Dead Sea is the lowest place on the earth. (-429 m under the sea level) .Look at the short video they filmed in the way down .You can see the sign along the way marking the point when they pass trough the&n... Continue Reading
complex numbers multiplication A сomplex number is represented by z=a+bi , a and b are real numbers and i is the imaginary unit ,satisfying the equation i2 = −1.
For more information about complex numers link to:
http://blossoms.mit.edu/videos/lessons/compl... Continue Reading
Backgammon Game Consider throwing a coin multiple times. Even huge amount of times. Let's discuss - what would be the number of times you would get a particular side out of the total number of throws?
Let's see that in any occasion of throwing a symmetri... Continue Reading
About the ocean acidification phenomenon The term 'Climate Change' is a big topic these days. It refers to several related phenomena such as higher temperatures noticed, more droughts, changing rain and snow patterns, melting glaciers, rising sea level and increased ocean acidity.
The ocea... Continue Reading
Galileo thermometer A Galileo
Thermometer is a device made of a sealed glass cylinder, containing a clear
liquid (water, for example), and several floating glass bubbles, each filled with a
different color liquid, and a small metal tag hanging from it.
... Continue Reading
Fossils arround the world What are fossils?
Fossils are traces of plants, animals, fishes, and other organisms from the remote past.
Scientists have learned that rocks are stacked in layers containing fossils with the oldest fossils at the deepest layers, and the ... Continue Reading
Question in C3 (Advanced) כתוב תוכנית אשר קולטת מערך דו מימדי דינמי בגודל NXN כאשר N חייב להיות מספר חיובי בין 5-10 כולל.
התוכנית תקלוט מספרים למערך.
התוכנית תדפיס את אורך הסדרה הגדול בכל השורה שמכילה איברים בסדר עולה.
5 3 2 1 1
8 7 8 ... Continue Reading
Question in C3 (Advanced) כתוב פונקציה אשר תוגדר באופן הבא:
char * func(char *s1, char *s2)
הפונקציה אמורה לקלוט כפרמטרים שתי מחרוזות אשר נקלטו בתוכנית הראשית main ונשלחו לפונקציה.
ידוע כי כל התווים ב s1 שונים.
הפונקציה מחזירה את הכתובת של התו שנמצא ב s1 ב... Continue Reading
Plastic recycling Plastic is manufactured by the polymerization
process, which connects monomers to create polymers. Common types of polymers in
our lives are presented in the table below:
Example... Continue Reading
Sea level rise risk Sea level is a term describing the altitude of the water at sea(Haifa) picture taken by :dina izGlobal warming due to human activity has countless examples all over the world.Global warming is basically the constant rise of the world average temperat... Continue Reading