Date:12 January 2017
Interested in building your very own acoustic tractor beam? Well, if you can use a soldering iron with some skill, you might just be able to.
After building a single-sided acoustic tractor beam and co-authoring a paper published in Applied Physics Letters, researcher Asier Marzo has created a DIY tutorial that’s simple to follow. Watch the video above to see how it’s done. Also check out the full component and tool list below.
What you’ll need:
• 30 x 16mm transducers MCUSD16P40B12RO
• 1 x Arduino Nano
• 1 x L298N dual motor drive board
• 1 x converter DC-DC adjustable step-up
• 1 x 2S Lipo battery (7.4V) and charger
• 11 x M3 screws (6 millimetres) and M3 nuts
• 1 x piece of wood measuring 300 x 45 x 15 mm
• 1 x 3D-printed bowl
• 1 x small strip board
• 1 x switch
• 3 x breadboard buttons
• Jumper wires
• 12AWG black and red wire
• Expanded polystyrene beads for levitation (measuring between 1 and 4 millimetres diameter)
• An acoustically transparent material: A metallic grid, very thin fabric or teabag paper.
• A 3D-printer. Alternatively you can use an online 3D-printing service.
• An oscilloscope with two probes.
• A soldering iron, tin and flux.
• Hot glue gun
• Cable peeler
• Screwdriver and pliers
Read more about Marzo’s acoustic tractor beam by clicking here.
Image and video credit: Asier Marzo
Source: ResearchGate, Instructables