Learn more about technologyandthefuture with this collection
The historical significance of urban centers
The impact of cultural and technological advances
The role of urban centers in shaping society
In 1835, inventors Joseph Henry and Edward Davey independently demonstrated electromagnetic relay, where a weak electrical signal can be amplified and transmitted across long distances. Cooke and Wheatstone invented the telegraph shortly after.
A few years later, Samuel Morse developed a version that sent signals from Washington D.C. to Baltimore. Afterwards, he developed a system of signal-induced indentations that correlated to numbers, special characters, and letters of the alphabet, known as the Morse code.
50
163 reads
MORE IDEAS ON THIS
49
228 reads
The next idea to explore was finding a way to transmit sound to far distances. Alexander Graham Bell laid out the underlying technology for electromagnetic telephones and was granted a patent in 1876 for his improvements in telegraphy.
This introduced a new problem: what if you were not av...
48
165 reads
54
203 reads
The Kish tablet is dated to 3500 B.C. and is considered by some experts to be the oldest form of known handwriting. It features proto-cuneiform signs - symbols that resemble a physical object. The Egyptian hieroglyphs are similar to this form of writing and date back to 3200 B.C.
Written l...
61
600 reads
49
182 reads
CURATED FROM
CURATED BY
Related Collection
MORE LIKE THIS
Samuel Morse was with friends and debating electromagnetism when he realized that if an electrical signal could travel instantly across a wire, why couldn't information do the same?
The telegraph was invented by not only Morse, but also Charles Wheatstone...
Ready for the next level?
Read Like a Pro
Explore the World’s
Best Ideas
Save ideas for later reading, for personalized stashes, or for remembering it later.
Start
31 IDEAS
Start
44 IDEAS
# Personal Growth
Take Your Ideas
Anywhere
Just press play and we take care of the words.
No Internet access? No problem. Within the mobile app, all your ideas are available, even when offline.
Ideas for your next work project? Quotes that inspire you? Put them in the right place so you never lose them.
Start
47 IDEAS
Start
75 IDEAS
My Stashes
Join
2 Million Stashers
4.8
5,740 Reviews
App Store
4.7
72,690 Reviews
Google Play
Ashley Anthony
This app is LOADED with RELEVANT, HELPFUL, AND EDUCATIONAL material. It is creatively intellectual, yet minimal enough to not overstimulate and create a learning block. I am exceptionally impressed with this app!
“
Shankul Varada
Best app ever! You heard it right. This app has helped me get back on my quest to get things done while equipping myself with knowledge everyday.
“
samz905
Don’t look further if you love learning new things. A refreshing concept that provides quick ideas for busy thought leaders.
“
Sean Green
Great interesting short snippets of informative articles. Highly recommended to anyone who loves information and lacks patience.
“
Ghazala Begum
Even five minutes a day will improve your thinking. I've come across new ideas and learnt to improve existing ways to become more motivated, confident and happier.
“
Giovanna Scalzone
Brilliant. It feels fresh and encouraging. So many interesting pieces of information that are just enough to absorb and apply. So happy I found this.
“
Laetitia Berton
I have only been using it for a few days now, but I have found answers to questions I had never consciously formulated, or to problems I face everyday at work or at home. I wish I had found this earlier, highly recommended!
“
Jamyson Haug
Great for quick bits of information and interesting ideas around whatever topics you are interested in. Visually, it looks great as well.
“
Read & Learn
20x Faster
without
deepstash
with
deepstash
with
deepstash
Access to 200,000+ ideas
—
Access to the mobile app
—
Unlimited idea saving & library
—
—
Unlimited history
—
—
Unlimited listening to ideas
—
—
Downloading & offline access
—
—
Personalized recommendations
—
—
FAQ
Claim Your Limited Offer
Get Deepstash Pro
Supercharge your mind with one idea per day
Enter your email and spend 1 minute every day to learn something new.
I agree to receive email updates