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Color is one of the seven elements of design. Color provides a visual conception so we can differentiate between objects. Objects don't physically have color. What we see are how the wavelengths of...
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Dr. Charles Townes, a scientist and a Nobel Prize Winner, and the inventor of the laser, answers a student's question about how he became a scientist. He says it began with his interest in nature and...
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When a friend approaches them to help solve a noisy aircraft problem, the tree house detectives find that NASA is an expert in the sound business. Come join the detectives as they learn how sound...
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When a friend approaches them to help solve a noisy aircraft problem, the tree house detectives find that NASA is an expert in the sound business. Come join the detectives as they learn how sound...
Video
In The Case of the Barking Dogs, the tree house detectives gather information about sound to hypothesize why dogs are barking throughout their town. The detectives learn that sound is created by...
Video
When a friend approaches them to help solve a noisy aircraft problem, the tree house detectives find that NASA is an expert in the sound business. Come join the detectives as they learn how sound...
Video
In The Case of the Barking Dogs, the tree house detectives gather information about sound to hypothesize why dogs are barking throughout their town. The detectives learn that sound is created by...
Video
When a friend approaches them to help solve a noisy aircraft problem, the tree house detectives find that NASA is an expert in the sound business. Come join the detectives as they learn how sound...
Video
In The Case of the Barking Dogs, the tree house detectives gather information about sound to hypothesize why dogs are barking throughout their town. The detectives learn that sound is created by...
Video
In The Case of the Barking Dogs, the Tree House Detectives gather information about sound to hypothesize why dogs are barking throughout their town. The detectives learn that sound is created by...