This type of optics is implemented in the Wolter telescope designs!

Mount Api is a limestone mountain located in Gunung Mulu National Park in Sarawak, Malaysia. It is part of the same formation as Mount Benarat and Mount Buda. Mount Api is notable for its striking limestone karst formations, commonly known as "the pinnacles".

Mount Api is a limestone mountain located in Gunung Mulu National Park in Sarawak, Malaysia. It is part of the same formation as Mount Benarat and Mount Buda. Mount Api is notable for its striking limestone karst formations, commonly known as "the pinnacles".

Lots of people know that prehistoric sea turtles got big, but it can be easy to underestimate just how huge these things got. The largest verified specimen of a modern Leatherback turtle weighed in at 1,433 lbs, but this Archelon would have been closer to 11,300 lbs. #scicomm #paleosky #paleontology

A bag full of items from Job Fair.

Guess what.
For talking nicely I got BT speaker and wireless charger.

....and there's now around 10 companies I wanna make internship in. 😔