Science + Technology – Articles, Analysis, Opinion

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Molecular machines are ready to join forces and take on real-world work. Chenfeng Ke

3-D printing turns nanomachines into life-size workers

Research on molecular machines won last year's Nobel Prize in chemistry. Now scientists have figured out a way to get these tiny molecules to join forces and collaborate on real work on a macro scale.
Don’t underestimate what I get about the world around me. Baby image via www.shutterstock.com.

Children understand far more about other minds than long believed

A revolution in the tools and techniques developmental psychologists use to investigate kids' knowledge and capabilities is rewriting what we know about how and when children understand their world.
Indigenous games like ‘Honour Water’ can teach Indigenous values and ceremonial practices. Honour Water/Elizabeth LaPensée

Video games encourage Indigenous cultural expression

A strengthening movement of Indigenous designers and developers is working to show Indigenous cultures, teachings, languages and ways of knowing through video games.
Tor’s improvements can help users stay private and anonymous online. Anonymous online via shutterstock.com

Tor upgrades to make anonymous publishing safer

The Tor Project is upgrading its protections for internet users' privacy and anonymity. A scholar and volunteer member of the nonprofit effort explains what's changing and why.
From person to person, the spread of online hate can be rapid. Connections via shutterstock.com

How online hate infiltrates social media and politics

Today's radical right is remaking its profile, using online communications to spread its message farther and deeper into our society than ever possible before.
It will be quick and it will be hot. 1967 promotional image for the Amana Radarange

Hot food, fast: The home microwave oven turns 50

It's been five decades of microwave popcorn and piping hot leftovers in home kitchens. A serendipitous discovery helped engineers harness radar to create this now ubiquitous timesaving appliance.
Can an algorithm explain itself? Robot decision via shutterstock.com

Did artificial intelligence deny you credit?

A European Union law will require human-understandable explanations for algorithms' decisions. A team of researchers has found a way to provide that, even for complex calculations.
What if even you didn’t know your own password? Password via shutterstock.com

Why we should not know our own passwords

As searches of smartphones and other digital devices at US borders become more common, can research and computer science help protect travelers' privacy?
The world is searching – will we protect ourselves? Graphic via shutterstock.com

The WikiLeaks CIA release: When will we learn?

The latest release from WikiLeaks, of information about CIA hacking efforts, is yet another reminder of how Americans and our government must better protect our secret information.
No common standard: CHAdeMO, CCS and Tesla Supercharger plugs. CHAdeMO: C-CarTom; CCS: Hadhuey; Tesla: Paul Sladen

What fax machines can teach us about electric cars

Standards, like electrical plugs, are usually so simple we don't even really notice them. But they're extremely important: Good ones can drive innovation; bad ones can stifle growth.
How many people are trying to connect America’s cities? Network workers via shutterstock.com

America’s broadband market needs more competition

World-class fiber-based internet service is available in less than a quarter of Los Angeles County. By contrast, it's almost ubiquitous in Stockholm and Paris.
Achievement unlocked: Rewritable paper. Yadong Yin

Reprintable paper becomes a reality

Coating paper with an inexpensive thin film can allow users to print and erase a physical page as many as 80 times. That reduces both the cost and the environmental effects of paper use.