The umbra is the inner, cone-shaped part of the shadow. It is the part in which all of the light has been blocked. The second shadow is called the penumbra. According to timeanddate.com ...

Penumbra reported Q4 sales of $315.52 million, up 10.8% Y/Y, beating estimates of $311.55 million. U.S. thrombectomy sales jumped 27.3%, driving global growth of 15.4%. Every week, our Whisper ...