In a process the researchers describe in articles published today in Science and Advanced Materials, they used a silicon needle with a tip about ten thousand times smaller than an ant to sculpt a polymer material known as polyphthalaldehyde.

FORBES: IBM Draws A World Map 1000 Times Smaller Than A Grain Of Sand

The use of a polymer filling for the gaps instead of air lets the Singapore agency create a 3D, cavity-backed silicon antenna that measures just 0.06 by 0.04 inches, roughly the size of a seed on your hamburger bun, even as it increases the breakneck pace.

ENGADGET: Seed-sized A*STAR antenna could open the door to 20Gbps wireless