Questions with the keyword 'wave'

• How does the laser you want to improve/build pop balloons? by Mia to Chris Comments: (No comments so far )
• Why does light and sound travel in different types of waves and not the same? by Meg and 1 other. to Chris, Josh, Rebecca, Susan Comments: (No comments so far )
• What are radar pulses? Are they like waves? Would they harm humans? Why do they come straight back? by Zealousy to Chris Comments: (No comments so far )
• how does bluetooth work? by mojems (imogen) to Rob, Chris Comments: (No comments so far )
• How can something give out light? by Zealousy to Rob Comments: (No comments so far )
• Can only certain light be used for certain things?e.g. the way that you can only use red light in a dark room and the by Zealousy to Chris, Josh, Rebecca, Rob, Susan Comments: (No comments so far )