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New Technique Used to Spot Possible Super-Earth in Alpha Centauri's Habitable Zone


EVAN GOUGH, UNIVERSE TODAY
13 FEBRUARY 2021
Astronomers using a new technique may have not only found a super-Earth at a neighbouring star, but they may also have directly imaged it. And it could be nice and cozy in the habitable zone around Alpha Centauri.
 
It s much easier to see giant planets than Earth-size planets. No matter which detection method is being used, larger planets are simply a larger needle in the cosmic haystack. But overall, astronomers are very interested in planets that are similar to Earth. And finding them is much more difficult.
We thought we d have to wait for the ultra-powerful telescopes currently being built before we could directly image exoplanets. ....

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Spinach Can Send Emails (Or Can It?) | Mysterious Universe


Spinach is certainly an unbeleafable plant, having been used by scientists to grow human heart tissue and even to make batteries with enough energy to power an electric car. Right now an MIT study is blowing up in the news, with mainstream media outlets claiming that “spinach can send emails.” But can it? Eh, not exactly.
More accurately, scientists insert nanoparticles into spinach leaves, and these nanoparticles are utilized as sensors to detect explosives and also emit infrared light. The spinach absorbs groundwater up through its roots, and when the nanoparticles sense the presence of explosive chemicals in that water, the nano-sensors in the leaves emit signals to an infrared camera, and that camera sends a wireless email alert to let researchers know explosives are present. That’s a far cry from a plant typing out a message to Popeye to remind him to eat his spinach, which a lot of these headlines suggest. ....

Michael Strano , Rube Goldberg , Professor Michael Strano , Electromagnetic Field , Nano Technology , Plant Intelligence , Natural World , Science Amp Technology , மைக்கேல் ஸ்திரதனோ , முரட்டுத்தனமாக கோல்ட்பர்க் , ப்ரொஃபெஸர் மைக்கேல் ஸ்திரதனோ , மின்காந்த புலம் , நானோ தொழில்நுட்பம் , ஆலை உளவுத்துறை , இயற்கை உலகம் , அறிவியல் ஆம்ப் தொழில்நுட்பம் ,

Royal Navy ship HMS Medway celebrates year on deployment after leaving Portsmouth with patrol in Caribbean


Royal Navy ship HMS Medway celebrates year on deployment after leaving Portsmouth with patrol in Caribbean
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Updated: 14:03, 25 January 2021
A year into her service, it s been an eventful 12 months for the crew of HMS Medway patrolling the waters around the Caribbean.
Having left home waters from Portsmouth last January, the River-class patrol ship has covered more than 50,000 miles – two trips around the world.
HMS Medway has spent 12 months at sea in the Caribbean helping patrol against drug trafficking and supporting islanders throughout the region with UK flag flying operations and supporting relief for natural disaster emergencies. Picture: Royal Navy/MoD
It will be several more years until Medway is back in home waters as she s capable of spending many years on deployment by using allied ports to resupply, change crews and for maintenance. ....

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