Gift showing how blood flows.

enthusiastudy:

here is a gif showing how blood flows through the heart in case you need extra motivation 

(Fuente: hippano, vía educatier)

Octopus.

actualjackzimmermann:

This tiny octopus, whose body measured about five centimeters across, was spotted swimming along at a depth of 825 meters as we explored Whiting Seamount, off Puerto Rico.

(via h0odrich)

This is a Trichroic Beam Splitter.

Using this splitter a white beam of light can be separated into three colours. Red, Blue and Green.

Source

(vía fuckyeahphysica)