‘Human Uber’ lets you pay a stranger to live your life for you

A new technology hopes to provide customers with "human surrogates" who strap screens to their faces so they can interact with the world on customers' behalf. 

A developer demonstrates a telepresence technology called ChameleonMask
A developer demonstrates a telepresence technology called ChameleonMask


The “Human Uber” could soon hit the gig economy in a big way. And though you may assume that means strangers will soon be paying each other for piggyback rides, rest assured, the reality is somehow stranger.

ChameleonMask hopes to provide people with human surrogates who would interact with the real world on the customer’s behalf. To do this, each surrogate would wear a screen on their head that displays the customer’s face and plays the customer’s voice. The service would theoretically allow you to attend parties and other social functions from the comfort of your bed, achieving something known as telepresence, while you give directions to your surrogate — even so far as telling them what to wear.

If the technology sounds complex, it probably shouldn’t: ChameleonMask seems little more complicated than taping an iPad to your broke friend’s forehead, switching on FaceTime, and then paying him to attend a work party on your behalf while you try to act like it’s all normal, presumably by ordering your surrogate to strike a nonchalant pose.

ChameleonMask creator Jun Rekimoto, a Japanese AR/VR researcher affiliated with Sony, showed off his new tool at At MIT Tech Review’s EmTech (the em for emerging) conference in Singapore last week. He reportedly called it “surprisingly natural.”  

“Human Uber,” developed in Japan, provides a way to attend events remotely using another person’s body. “It’s surprisingly natural” says its inventor, Jin Rekimoto of Sony #emtechasia pic.twitter.com/WZHPVcZ6M0

— will knight (@willknight) January 30, 2018

Golden blood: The rarest blood in the world

We explore the history of blood types and how they are classified to find out what makes the Rh-null type important to science and dangerous for those who live with it.

What is the rarest blood type?

Abid Katib/Getty Images
Surprising Science
  • Fewer than 50 people worldwide have 'golden blood' — or Rh-null.
  • Blood is considered Rh-null if it lacks all of the 61 possible antigens in the Rh system.
  • It's also very dangerous to live with this blood type, as so few people have it.
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China's "artificial sun" sets new record for fusion power

China has reached a new record for nuclear fusion at 120 million degrees Celsius.

Credit: STR via Getty Images
Technology & Innovation

This article was originally published on our sister site, Freethink.

China wants to build a mini-star on Earth and house it in a reactor. Many teams across the globe have this same bold goal --- which would create unlimited clean energy via nuclear fusion.

But according to Chinese state media, New Atlas reports, the team at the Experimental Advanced Superconducting Tokamak (EAST) has set a new world record: temperatures of 120 million degrees Celsius for 101 seconds.

Yeah, that's hot. So what? Nuclear fusion reactions require an insane amount of heat and pressure --- a temperature environment similar to the sun, which is approximately 150 million degrees C.

If scientists can essentially build a sun on Earth, they can create endless energy by mimicking how the sun does it.

If scientists can essentially build a sun on Earth, they can create endless energy by mimicking how the sun does it. In nuclear fusion, the extreme heat and pressure create a plasma. Then, within that plasma, two or more hydrogen nuclei crash together, merge into a heavier atom, and release a ton of energy in the process.

Nuclear fusion milestones: The team at EAST built a giant metal torus (similar in shape to a giant donut) with a series of magnetic coils. The coils hold hot plasma where the reactions occur. They've reached many milestones along the way.

According to New Atlas, in 2016, the scientists at EAST could heat hydrogen plasma to roughly 50 million degrees C for 102 seconds. Two years later, they reached 100 million degrees for 10 seconds.

The temperatures are impressive, but the short reaction times, and lack of pressure are another obstacle. Fusion is simple for the sun, because stars are massive and gravity provides even pressure all over the surface. The pressure squeezes hydrogen gas in the sun's core so immensely that several nuclei combine to form one atom, releasing energy.

But on Earth, we have to supply all of the pressure to keep the reaction going, and it has to be perfectly even. It's hard to do this for any length of time, and it uses a ton of energy. So the reactions usually fizzle out in minutes or seconds.

Still, the latest record of 120 million degrees and 101 seconds is one more step toward sustaining longer and hotter reactions.

Why does this matter? No one denies that humankind needs a clean, unlimited source of energy.

We all recognize that oil and gas are limited resources. But even wind and solar power --- renewable energies --- are fundamentally limited. They are dependent upon a breezy day or a cloudless sky, which we can't always count on.

Nuclear fusion is clean, safe, and environmentally sustainable --- its fuel is a nearly limitless resource since it is simply hydrogen (which can be easily made from water).

With each new milestone, we are creeping closer and closer to a breakthrough for unlimited, clean energy.

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