LightNews
Len Rosen
@lenrosen.bsky.social
6 followers 8 following 300 posts
A retired management consultant who worked with high-technology companies on their marketing and business planning for the planning and launch of breakthrough products and systems.
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Len Rosen @lenrosen.bsky.social · 18h
With more satellites in orbit, the threat of collisions could lead to Kessler Syndrome.
www.21stcentech.com/heard-kessle...
Have You Heard Of Kessler Syndrome?
Kessler Syndrome describes a space accident creating a cascade of collisions to orbiting satellites making low-Earth orbits unusable.
www.21stcentech.com
Len Rosen @lenrosen.bsky.social · 1d
The MycoToilet uses mycelium to compost toilet waste
www.21stcentech.com/environmenta...
Environmentally-Friendly Mycelium Toilet Launched At The University Of British Columbia
The UBC-invented MycoToilet uses mycelium for composting and will produce 600 litres of soil and 2,000 litres of liquid fertilizer annually.
www.21stcentech.com
Len Rosen @lenrosen.bsky.social · 2d
Permaculture and perennial staple crops are agriculture's answer for climate change and food security.
www.21stcentech.com/perennial-re...
The Pursuit of Perennial Staple Crop Replacements Has Led to Kernza and Others
Perennial wheat, corn, rice, soybean and other staples are being developed for farmers to combat climate change and feed the planet.
www.21stcentech.com
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Len Rosen @lenrosen.bsky.social · 4d
Under Donald Trump the purpose of the military is to train by fighting the war from within.
www.21stcentech.com/americas-rep...
Is America’s Repurposed Military A Threat To America’s Democratic Future?
Trump wants to repurpose the military to fight the war from within in American cities using them as a training ground for foreign conflicts.
www.21stcentech.com
Len Rosen @lenrosen.bsky.social · 5d
Medical transcription goes AI, joining a growing number of AI applications being used for medical practice today.
www.21stcentech.com/face-face-wi...
Face to Face with an AI on a Visit to My Family Doctor
Physicians are looking to AI to help them in their medical practices. AI scribes like Heidi is one of many medical AI applications in use.
www.21stcentech.com
Len Rosen @lenrosen.bsky.social · 11d
Can democracy survive the likes of Donald Trump?
www.21stcentech.com/democracies-...
Democracies Face The 21st Century – Are They Up To The Challenge?
There are 74 liberal democracies on the planet today. Increasingly |they face environmental, technological and authoritarian threats.
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Len Rosen @lenrosen.bsky.social · 12d
New Energy Stories Worth Repeating
www.21stcentech.com/energy-stori...
New Energy Stories Worth Repeating
The energy industry is seeing innovation in flow battery technology, perovskite-silicon tandem photovoltaics, hydrogen, tritium and more
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Len Rosen @lenrosen.bsky.social · 13d
www.21stcentech.com/automating-s...
Automating Science Breakthrough Alerts with AI Summaries
With thousands of research papers and articles published weekly, using AI tools to process, summarize and filter content saves time.
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Len Rosen @lenrosen.bsky.social · 17d
A test using AI to analyze microbiome data could prove to be a replacement for colonoscopies in detecting colorectal cancer
www.21stcentech.com/diagnostic-m...
A New Diagnostic Test of Your Microbiome Could End The Need For Colonoscopies
University of Geneva researchers develop AI-based diagnostic test that could replace colonoscopy, the gold standard for colorectal cancer.
www.21stcentech.com
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Len Rosen @lenrosen.bsky.social · 18d
Trump weighs in on Tylenol and pregnancy, insisting that there is no downside to not taking the drug to deal with a fever or pain.
www.21stcentech.com/tylenol-deba...
The Tylenol Debate – Who to Believe, Donald Trump or Physicians?
Trump says not taking Tylenol when pregnant has no downside. he American College of Obstetricians and Gynecologists couldn't disagree more.
www.21stcentech.com
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Len Rosen @lenrosen.bsky.social · 19d
The Russia-Ukraine war is the first War of the Drones pointing to a very different military future
www.21stcentech.com/end-fighter-...
The End of The Fighter Jet in Future Wars of the Drones
The Russia-Ukraine war is a "War of the Drones" representing a force multiplier for a smaller nation to defend itself a big aggressor.
www.21stcentech.com
Len Rosen @lenrosen.bsky.social · 20d
Can humans live 150 years or even 1,000?
www.21stcentech.com/living-150-c...
Living to 150 Following A Conversation Between Vladimir Putin and Xi Jinping
Can medical knowledge and technology extend our lifespan to 150 or 1,000? China's Xi Jinping and Russia's Vladimir Putin muse about it.
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Len Rosen @lenrosen.bsky.social · 24d
Ontario announces the availability of respiratory virus vaccines as fall arrives, including RSV, COVID-19, and influenza.
news.ontario.ca/en/release/1...
Ontario Newsroom
news.ontario.ca
Len Rosen @lenrosen.bsky.social · 26d
The Plastic Problem Cannot Be Kicked Down the Road Any Longer
www.21stcentech.com/plastic-prob...
If You Think The Plastic Problem Is Overstated Just Look At The Picture That Accompanies This Posting
No comprehensive global plastic treaty exists perpetuating "waste colonialism," and the threat of microplastics and forever chemicals.
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Len Rosen @lenrosen.bsky.social · 28d
New High Seas Treaty could protect and sustain international waters.
www.21stcentech.com/high-seas-al...
High Seas Alliance Treaty About To Be Enforced Globally
The High Seas Treaty covers 64% of the global ocean ending a lawless wilderness that allows for undue exploitation of its resources.
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Len Rosen @lenrosen.bsky.social · 29d
A dozen skills provided to students to master AI literacy.
www.21stcentech.com/students-que...
As A Student When You Ask AI A Question Can You Believe Its Answer?
A student guide when using AI provides a dozen literacy skills to master core competencies for using the technology in university.
www.21stcentech.com
Len Rosen @lenrosen.bsky.social · Sep 12
Air pollution, extreme heat, and wildfires are the ghost of the fossil fuels we have consumed since the mid-19th century.
www.21stcentech.com/summers-clim...
This Summer’s Climate Events Are Human Originated And Point To a Portentous Future
We're stuck with air pollution concentrations and rising temperatures that are the ghost of burned fossil fuels since the mid-19th century.
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Len Rosen @lenrosen.bsky.social · Sep 10
The Perseverance rover may have found evidence of Martian biosignatures in the rocks at the Jezero Crater.
www.21stcentech.com/perseverance...
The Perseverance Rover May Have Found Past Signs Of Life On Mars
The Perseverance rover on Mars has been studying the terrain of the Jezero Crater and may have discovered evidence of past life.
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Len Rosen @lenrosen.bsky.social · Sep 9
Whether life started on the early Earth or came to it from space, at some point, single-celled creatures evolved into multicellular species.
www.21stcentech.com/life-multice...
How Did Life Begin And When And How Did It Go Multicellular?
From stromatolites bacterial mats to the first complex multicellular life spans over 2.5 billion years of Earth history.
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Len Rosen @lenrosen.bsky.social · Sep 8
What's missing from STEM education today? The arts and humanities.
www.21stcentech.com/21st-century...
In The 21st Century Does A Liberal Education Make Sense?
STEM problem solving produces transferable skills but the world's greatest scientists and inventors had strong liberal arts credentials.
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Len Rosen @lenrosen.bsky.social · Sep 7
www.21stcentech.com/global-envir...
If You Ever Want To See Global Environmental Cooperation Tank Start Talking About Plastic
No global plastics treaty exists because of disagreement on production limits, life cycle management, and elimination of toxic materials.
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Len Rosen @lenrosen.bsky.social · Sep 6
Can CO2 be captured and stored effectively to mitigate climate change?
www.21stcentech.com/world-carbon...
Stories From The World Of Carbon Capture – The Ups And Downsides
Does carbon capture technology solve the climate crisis? Not likely based on current investments, projected requirements, and revised estimated underground storage capacity.
www.21stcentech.com
Len Rosen @lenrosen.bsky.social · Sep 4
The evolution of crypto and blockchain technology is changing the way stocks are traded and revolutionizing the financial sector.
www.21stcentech.com/ways-crypto-...
Five Ways Crypto And Blockchain Are Revolutionizing Future Stock Trades
The financial sector and stock trades are undergoing a revolution as cryptocurrencies and blockchain technology goes mainstream.
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Len Rosen @lenrosen.bsky.social · Sep 3
U.S. money managers like BlackRock have been pressed by the Trump administration to abandon ESG, DEI and climate change net-zero aspirations.
www.21stcentech.com/people-manag...
America’s Money Managers Have Retreated From Supporting Sustainable Investment Goals
BlackRock and other American money managers have retreated from pursuing investments in companies focused on sustainability and the future.
www.21stcentech.com
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Len Rosen @lenrosen.bsky.social · Sep 2
Could the drying up of American government funding of mRNA vaccine research be compensated for by other countries picking up the slack?
www.21stcentech.com/off-the-shel...
Off-The-Shelf mRNA Vaccine To Treat Cancer Could Be Shelved By America’s Secretary Of Health
mRNA COVID-19 vaccines saved millions. Even so, Robert F. Kennedy Jr. has decided to defund mRNA vaccine research claiming they don't work.
www.21stcentech.com