/-/https/www.sciencebuddies.org/cdn/Files/21464/5/sb-logo.png){kind=logo}
/-/https/www.sciencebuddies.org/cdn/Files/21464/5/sb-logo.png){kind=logo}
A tractor beam reels in objects with sound
March 17, 2014
A tractor beam of focused sound waves has pulled on an object as large as a Toblerone chocolate bar.
Read more
Reading level: Grade 7
/-/https/img.youtube.com/vi/Kfvt5zs2se8/0.jpg)
/-/https/img.youtube.com/vi/MtKx4INfybI/0.jpg)
/-/https/img.youtube.com/vi/6vWprI6OPJo/0.jpg)