i am a big fan
I was showing my daughter an old antique fan recently. It reminded me when I was young how I could change the sound voice by speaking into to the fan blades. It produced an eerie sound with a slight bit of vibrato. Kids of the future might not have that option – but their lips will be probably safer. Enter James Dyson of vacuum cleaner fame. He has developed a fan with no blades – the Dyson Air Multiplier™. It draws in air and amplifies
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