the Saqqara Bird: ancient glider or just a fancy toy? i went down this hole

1898, a tomb at Saqqara in Egypt, somebody digs up this little carved sycamore-wood bird. ~18cm, super light, like 39 grams. sat labeled as a bird figurine for decades. then in the 70s an Egyptian doctor, Khalil Messiha, looks at it and goes wait a second — the wings arent like a bird, theyre flat a……