August 8, 2014

How Many of These Cell Phones Have You Used?

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History Pics shared this image with the description “30 years of cell phones.” Recognize most of these? How many have you used?

Image via History Pics

The most surprising and impactful new stories delivered to your inbox every week, for free.

A silhouette of a person sitting and reading under a white tree made from electronic circuit lines on a gray background.

The Present

AI is already in the classroom. It’s time colleges caught up.

“The rise of the internet brought about similar fears, yet it ultimately made learning richer and more accessible.”

A man in a suit looks at the camera with a neutral expression, set against a light green background with abstract black scribble accents.

Big Think Books

John le Carré’s son joins the Circus with his new book

With “Karla’s Choice,” Nick Harkaway had an impossible mission: maintain his father’s legacy while staying true to his voice.

Book cover of "The Systems Leader" by Robert E. Siegel, featuring geometric orange shapes, next to text that reads "an excerpt from" on a blue background—highlighting concepts of systems leadership.

Business

Why “Systems Leadership” is hard in the best possible way

The corporate world is no cake walk — as a leader you need a framework that can equip you for the cross-pressures.

Circular astronomical image showing constellations and celestial objects labeled against a dark sky, reminiscent of a NASA PUNCH video sun corona visualization, with a timestamp of 2025-06-03 01:52 at the bottom left.

Starts With A Bang

Video: NASA’s PUNCH mission sees the Sun’s corona in action

Launched in March, the PUNCH mission has viewed two incredible coronal mass ejections, tracking them farther from the Sun than ever before.

A man gestures while speaking in an instructional video titled "Technikai Módszerek az AI-val Való Együttműködésre" on a platform offering translations in 15 languages.

Product Updates

Big Think+ introduces updated Learner and Discussion Guides, now in 15 languages

Breaking barriers: seamless learning across languages and platforms.

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6,000 Year Old Lovers

“Lovers in Mantua” are two 6,000 year old skeletons–a young man and a woman from the Neolithic era–who must have cared for each other very deeply. In 2007, their skeletons […]