Menu

Blog

Page 2994

Apr 18, 2023

Advanced Spaceship Drive Compendium

Posted by in category: space travel

Offset your carbon footprint with confidence with Wren–the first 100 people to sign up will have one month of emissions offset for free: https://wren.co/start/isaacarthur.
In order to reach the stars we will need vastly more powerful engines for our spacecraft than modern rockets offer. Fortunately, when it comes to possible ship drives, the sky is not the limit.

Visit our Website: http://www.isaacarthur.net.
Join Nebula: https://go.nebula.tv/isaacarthur.
Support us on Patreon: https://www.patreon.com/IsaacArthur.
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur.
Facebook Group: https://www.facebook.com/groups/1583992725237264/
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/53GAShE

Continue reading “Advanced Spaceship Drive Compendium” »

Apr 18, 2023

How Music Can Prevent Cognitive Decline

Posted by in categories: life extension, media & arts, neuroscience

Summary: Listening to or practicing music had positive implications on cognitive decline in older adults by stimulating the production of gray matter in key brain areas, a new study reveals.

Source: University of Geneva.

Normal aging is associated with progressive cognitive decline. But can we train our brain to delay this process?

Apr 18, 2023

A new microwave technology can ease solar cell recycling

Posted by in categories: solar power, sustainability

WangAnQi/iStock.

But now we’re learning that researchers in Sydney may have found a way to tackle this issue.

Apr 18, 2023

Electricity can heal even the worst kind of wounds three times faster, new study finds

Posted by in category: biotech/medical

Scientists used an old theory to develop a new technique that involves exposing skin cells to an electric field to make the wounds on the skin heal faster.

Researchers from Chalmers Insitute of Technology (CTH) and the University of Freiburg have proposed an interesting technique that enables chronic wounds to heal faster than ever.

Continue reading “Electricity can heal even the worst kind of wounds three times faster, new study finds” »

Apr 18, 2023

Researchers develop a four-legged robot capable of walking on a balance beam

Posted by in categories: robotics/AI, satellites

Researchers use a reaction wheel actuator system to make a quadruped robot walk on a narrow balance beam.

A team of researchers at Carnegie Mellon University’s Robotics Institute (RI) has created a method that enables a quadruped robot to walk on a narrow balance beam.

Their solution involves implementing a Reaction Wheel Actuator (RWA) system, which is mounted on the back of the quadruped robot. Through a novel control technique, the RWA system enables the robot to balance independently, irrespective of the position of its feet. To enhance the robot’s balancing capabilities, the team leveraged hardware that is commonly used to control satellites in space.

Apr 18, 2023

Brain images just got 64 million times sharper

Posted by in categories: biotech/medical, health, neuroscience

Magnetic resonance imaging (MRI) is how we visualize soft, watery tissue that is hard to image with X-rays. But while an MRI provides good enough resolution to spot a brain tumor, it needs to be a lot sharper to visualize microscopic details within the brain that reveal its organization.

In a decades-long technical tour de force led by Duke’s Center for In Vivo Microscopy with colleagues at the University of Tennessee Health Science Center, University of Pennsylvania, University of Pittsburgh and Indiana University, researchers took up the gauntlet and improved the resolution of MRI leading to the sharpest images ever captured of a mouse .

Continue reading “Brain images just got 64 million times sharper” »

Apr 18, 2023

Incredible Robots — Rise of the Machines

Posted by in categories: education, robotics/AI, space travel

Every other Wednesday we present a new video, so join us to see the truth laid bare…

Machines are evolving 10 million times faster than we are. Are you ready for robots that run our homes, watch our neighborhoods and even fight our wars? One day in the not too distant future, robots will travel to the far reaches of the universe, they will be the first to colonise new worlds. Robots will lead the way in the exploration of deep space.

Continue reading “Incredible Robots — Rise of the Machines” »

Apr 18, 2023

Can Free Will be Saved in a Deterministic Universe?

Posted by in categories: physics, space

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE
↓ More info below ↓

Sign Up on Patreon to get access to the Space Time Discord!
https://www.patreon.com/pbsspacetime.

Continue reading “Can Free Will be Saved in a Deterministic Universe?” »

Apr 18, 2023

THE CHALLENGE First trailer EN

Posted by in categories: biotech/medical, space

THE CHALLENGE, FIRST FEATURE FILM SHOT IN SPACE: Thoracic surgeon Evgenia Belyaeva has one month to prepare for a flight to the International Space Station, where she must operate on a crew member. Will she be up for the challenge? Can she overcome her fears and insecurities? Will she be able to perform the complicated surgery in zero gravity, and give the cosmonaut a chance to return to Earth alive?

The Russians have long been at the forefront of scientific and technological innovation. With the historic launch of Yuri Gagarin into space in 1961, they made history by becoming the first country to send a human being into orbit. Decades later, they have once again made headlines by being the first in the world to develop a COVID-19 vaccine, a remarkable achievement in the face of a global pandemic. And now, they have again beaten everyone else by shooting the first-ever movie in space.

Continue reading “THE CHALLENGE First trailer EN” »

Apr 18, 2023

How to create an artificial magnetosphere for Mars

Posted by in categories: energy, engineering, environmental, space

Year 2023 face_with_colon_three


If humanity is ever to consider substantial, long-term colonization of Mars, the resources needed are going to be extensive. For a long-term human presence on Mars to be established, serious thought would need to be given to terraforming the planet. One major requirement for such terraforming is having the protection of a planetary magnetic field — which Mars currently does not have. The Earth’s magnetosphere helps protect the planet from the potential sterilizing effects of cosmic rays and also helps retain the atmosphere, which would otherwise by stripped by large solar storms as they pass over the planet. Mars does have small patches of remnant surface magnetic field, but these are localized in the southern hemisphere and are not of sufficient size or magnitude to protect the planet or a colony.

In this article we explore comprehensively for the first time, the practical and engineering challenges that affect the feasibility of creating an artificial magnetic field capable of encompassing Mars. This includes the concerns that define the design, where to locate the magnetic field generator and possible construction strategies. The rationale here is not to justify the need for a planetary magnetosphere but to put figures on the practicalities so as to be able to weigh the pros and cons of the different engineering approaches.

Continue reading “How to create an artificial magnetosphere for Mars” »