It’s a sheer physical challenge to construct sieves with such precision.

In a study published in the journal PNAS, researchers from Linköping University have developed an electrically conductive “soil” which can boost the plant growth by 50% in 15 days.

Today in clueless rich guys, we have Uber CEO Dara Khosrowshahi, who was stunned to learn how much it costs to take a three-mile ride in New York City using his company’s app.

In a wide-ranging interview with Wired, Khosrowshahi was veritably stunned when the reporter questioning him asked if he knew how much a ride in the Big Apple costs.

“I traveled 2.95 miles in an Uber to get here today,” the reporter, Steven Levy, asked the CEO. “What do you think it cost?”

Face-to-face gatherings produce more ideas – and more inventive ones – than videoconferencing, say researchers.

In my recent tribute to Sir Arthur C. Clarke I cited earlier science fiction writer and philosopher Olaf Stapledon, who had a profound influence on Clarke. Here I’m zooming on Stapledon’s cosmic theology.

I am promoting this reply to the front page to add images and see what happens (experimental theology I guess).

In my recent post “Merlin Speaks — Arthur C. Clarke on technological resurrection” I call Sir Arthur C. Clarke “my Master,” and I mean it: no other thinker has had such a deep influence on me.

The alien environment could provide a unique window into the earliest days of life on Earth—but its future is uncertain.

The world order that existed since the end of World War II is coming to an end. We we can expect to see in the next few years. As a bonus I added some never se…

The optimal choice of hypothesis is the weakest not the shortest.

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