This Week in Tech: Jan 27 – Feb 2, 2018

Researchers made a tiny robot that patrols the human body from the inside

Physicists created Star Wars-like 3D images that are viewable from any angle

The Canadian government tests the use of blockchain to improve transparency

A company powered a ship with solar sails that use both solar and wind energy

China builds a huge floating solar farm on top of a deserted coal mine

The first biofuel flight powered by mustard seeds flies from the US to Australia