Answer Time From Space!

Scott Kelly is two inches taller after 340 days in space

After 340 days on the International Space Station, Scott Kelly grew 2 inches taller than his twin brother who spent the time on Earth, CNBC reports.

Gaining a couple inches is pretty common among astronauts that spend a significant amount of time in space. That’s because the microgravity environment allows room for their vertebrae to expand. Here’s how NASA explains it:

Imagine that the vertebrae in your back form a giant spring. Pushing down on the spring keeps it coiled tightly. When the force is released, the spring stretches out. In the same way, the spine elongates by up to 3% while humans travel in space. There is less gravity pushing down on the vertebrae, so they can stretch out — up to 7.6 centimeters (3 inches).

He aged less than us Earth-bound humans too.

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Vibrant winter stars over Lake Tahoe, a week ago. That’s Sirius’s bright reflection on the water! [3000x1633]

Source: http://i.imgur.com/ZnhiC8R.jpg

This is Tech Tats, tattoos that can track your health data and your personal information  - watch the full video

Area of a circle

Interactive version:

http://www.malinc.se/math/geometry/circleen.php

Questioning the reliability of research

This year, one of the top five most talked-about research studies was on the reliability of research findings.

The Reproducibility Project is a vast, multi-institution effort aimed to measure how often researchers could replicate psychology experiments and yield the same result. For the project, 270 academics, including researchers at UC Riverside, UC San Francisco and UC Davis, attempted to replicate the findings from 100 recently published psychology experiments.

They failed twice as often as they succeeded; in fact, only 36 percent of the replicated studies yielded results consistent with earlier findings.

That doesn’t necessarily indicate the original research wasn’t accurate or reliable, researchers say. Many factors, including a lack of detail into methodology, can influence replicability. But the report — published in August in the journal Science  — does highlight the challenge of producing reliable findings and suggests that more could be done to enable replicatable results.

Read the other research stories that got the world buzzing in 2015 →

Can we talk about this?

So there’s this physics journal that uses math and science to discuss the realities of fictional universes in a super legit, peer-reviewed manner?

And they did a thing on Frozen?

Combining research on the film?

With info on how water works and stuff?

Then applied math and chemistry (and other things in which I am not especially well versed) to reach this conclusion:

So.

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REAL LIFE LIGHTSABER ALERT!

The guy that made the real life version of Mjolnir has crafted another real version of a fictional weapon: a functioning lightsaber. Allen Pan made the fabled Jedi weapon out of an igniter, butane, methanol and acetone which creates a focused pillar of flame. It even makes real sounds! Now, of course this isn’t a conventional lightsaber and you shouldn’t try this at home but it’s awesome that somebody finally accomplished something close! GIVE THIS MAN A GRANT.

The Ins and Outs of NASA’s First Launch of SLS and Orion

NASA - Space Launch System (SLS) logo.

Nov. 27, 2015

NASA is hard at work building the Orion spacecraft, Space Launch System (SLS) rocket and the ground systems needed to send astronauts into deep space. The agency is developing the core capabilities needed to enable the journey to Mars.

Keep reading

Not a Drill: SETI Is Investigating a Possible Extraterrestrial Signal From Deep Space

The implications are extraordinary and point to the possibility of a civilization far more advanced than our own.

GUYS. The future is now.