In 1947, John Bardeen and Walter Brattain built the point-contact transistor, the first working transistor ever demonstrated. It became the ancestor of the billions of transistors that power today's computers, smartphones, and digital electronics.
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In 1947, John Bardeen and Walter Brattain built the point-contact transistor, the first working transistor ever demonstrated. It became the ancestor of the billions of transistors that power today's computers, smartphones, and digital electronics.
Wildlife photographer Terry Nunn captured rare photos of a white leucistic bald eagle.
Over the last couple of weeks here in Southwest Missouri, I’ve been fortunate enough to spend time photographing the very rare leucistic bald eagle — and I still had a few frames I hadn’t shared yet. Similar… but different. A slight turn of the head. A change in light. A new perch. Along with a few fresh ones from a trip just a few days ago.
Every encounter with her feels rare. Quiet. Intentional. The kind of wildlife moment you don’t take for granted.
After World War II, people with spinal cord injuries were often seen as having no future. Dr. Ludwig Guttmann challenged that belief by organizing a wheelchair sports competition in 1948, which later became the Paralympic Games.