See-Through Eggshell Lets You See the Embryo Growing Inside

Made of a silicon-based polymer, the shell mimics the shape of a real egg.


Thanks to a see-through material and a little ingenuity, we can now see what's happening inside a bird's egg. Scientists from Tsinghua University in Beijing invented a transparent shell made from polydimethylsiloxane, a polymer based on silicon, that mimic the shape and feel of a natural eggshell.


Before this invention, the way scientists could see inside an egg was through "," which is exactly what it sounds like: cutting a tiny hole and peeking inside. 

As the university's notes, the researchers developed the transparent egg to act as a vehicle for easier and cheaper biological testing. The side benefit is an amazing view like this:


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