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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.
In documentation and instructional design, tutorials are teaching-level documents that help the learner progress in skill and confidence. [7] Tutorials can take the form of a screen recording (), a written document (either online or downloadable), interactive tutorial, or an audio file, where a person will give step by step instructions on how to do something.
Air bubbles rising from a scuba diver in water A soap bubble floating in the air. A bubble is a globule of a gas substance in a liquid. In the opposite case, a globule of a liquid in a gas, is called a drop. [1]
The Beginner's Guide is an interactive storytelling video game created by Davey Wreden under the studio name Everything Unlimited Ltd. The game was released for Linux , macOS , and Windows on October 1, 2015.
In 2004, a Palestinian group posted an online video showing the proper construction of suicide vests, hoping to support the Iraqi insurgency. [23] The 2004 Madrid train bombers, who killed 191 people and wounded 1,800, downloaded their bomb-making instructions from the internet. [24]