This is old news about the creation of an ultrasonic tractor beam, but I came across it when I was catching up on old “BBC Science in Action” podcasts.

Celtic Intuition

Celtic Intuition have been building applications software since 1994 and developing Android applications since 2015.

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A fantastic series from BBC Four on Sound Waves

The intergalactic infra sound piece was fascinating. I will certainly be hooked to this series on BBC Four now.