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The pastern bone of a sheep, goat, or calf has two rounded ends upon which it cannot stand and two broad and two narrow sides, one of each pair being concave and one convex. The convex narrow side, called chios or "the dog", was counted as 1, the convex broad side as 3, the concave broad side as 4, and the concave narrow side as 6. [4]
Teach kids ages 8 and up about the laws of physics with this comprehensive science kit featuring six different projects, including a rubber band car, sharpening wheel, and rocket launcher.
A watermelon exploding under the pressure of rubber bands Rubber bands wrapped around a watermelon. The exploding watermelon stunt or exploding watermelon challenge involves wrapping rubber bands around a watermelon until the pressure of the rubber bands causes the watermelon to explode in a dramatic or spectacular fashion.
They saw a lifelike rubber left hand in front of them. The experimenters stroked both the subjects hidden left hand and the visible rubber hand with a paintbrush. The experiment showed that if the two hands were stroked synchronously and in the same direction, the subjects began to experience the rubber hand as their own.
The T-V diagram of the rubber band experiment. The decrease in the temperature of the rubber band in a spontaneous process at ambient temperature can be explained using the Helmholtz free energy = where dF is the change in free energy, dL is the change in length, τ is the tension, dT is the change in temperature and S is the entropy.
Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.
[1] [6] Grade school-age children make and swap their rubber-band bracelets in the same way as friendship bracelets, and children have posted thousands of their own instructional videos online. [ 1 ] [ 2 ] [ 6 ] As of October 2013, Rainbow Loom's YouTube channel featured 66 how-to videos and had received nearly 4 million views. [ 2 ]
Latex and rubber dog toys are great for dog entertainment. With these kind of toys, dogs that are aggressive chewers have a safe way to satisfy their biting instincts. These toys also help keep dogs' gums and teeth clean and healthy. In general, hard rubber bones and other latex dog toys help improve dogs' overall oral hygiene.