In reply to: Abllo wrote a new post, What do you really know about X-ray ????? As with many of mankind’s monumental discoveries, X-ray technology was invented completely by accident. In 1895, a German physicist named Wilhelm […] View

In reply to: Zayn Meek wrote a new post, Some Crazy Facts About Eyes ×× Your retinas actually perceive the outside world as upside-down – your brain flips the image for you. If you want to see the world as your retinas do, […] View