Projecting the Sun Avoid looking directly at the Sun without proper eye protection. You can seriously hurt your eyes and even experience instant bright light blindness. Projecting the Sun through […]
Depending on the distance or angle from intensive sunlight reflection, the effect of UV radiation can actually burn the retinas of the eyes leading to discoloration for a period of […]
Using a Box Projector This type of pinhole projector works on the same principle as a basic pinhole projector. However, the box makes this projector much sturdier and easier to […]
AEROSPACE and ASTRONAUTICS 