Learn more about history with this collection
Understanding the basics of blockchain technology
The benefits and challenges of using blockchain
The future of blockchain technology
34
70 reads
MORE IDEAS ON THIS
34
100 reads
A microphone is a device that converts acoustic power into electric power, sound waves to electrical voltages, then converted into sound waves that are amplified through speakers.
We associate microphones often with the music and the entertainment industry, but the device...
69
1.84K reads
The word "microphone" was not used during this time until the 19th century but an English physicist and inventor named Robert Hooke developed an acoustic cup and string style phone, where he was considered to be a pioneer in the field of transmitting so...
35
217 reads
31
157 reads
35
162 reads
CURATED FROM
Related collections
More like this
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...
From these lands, which were for a long time unknown to the western civilizations and provided with an exotic and mysterious charm, derive aromas, spices, silk and other precious goods.
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
—
—
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