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Technological advancements in
the 1920 television used wheels of film broadcasted onto a screen for low-resolution in black and white. Unlike the LED TVs from today, it projected light onto the screen Link:https://www.familysearch.org/en/blog/1920s-inventions-influential “The Henry Ford Model T” was the first car invented It was an affordable way of transportation for the common man. Link:https://www.clevelandhs.org/ourpages/webdesign4/dane/science.html -
Technological advancements in
A Polygraph: also known as a lie detector was invented on October 10 1930 it uses blood pressure and pulse to find spikes in the blood pulse and leads to lies. Link:https://en.wikipedia.org/wiki/Polygraph Push AM: The radio was manufactured by the Galvin manufacturing company it was mainly used for communication. Link:https://www.pbs.org/opb/historydetectives/feature/radio-in-the-1930s/ -
Technological advancements in
Vinyl Records: Vinyl records worked by putting your vinyl disc on top of your play machine and the spinning motion dragged a metal pick on the disc the vibrations created sounds that were amplified through speakers Radar: Radar was fine-tuned and perfected in the Second World War it sends radio waves out receives them back and pinpoints the target it hits -
Technological advancements in
Breathalyzer: the breathalyzer uses the alcohol level in your breath to determine if you are intoxicated, it's a very good invention because it can help prevent deaths from alcohol. Sputnik 1: This is the first artificial satellite in space the soviet union launched it. It sent radio waves back to Earth for 3 weeks until its battery drained -
Technological advancements in
1960s: 911: AT&T changed the emergency number to 911 because it was not being used in any area codes. It can be used to contact the police, fire department, a ambulance ZIP codes: They are a five-digit code that can tell you a area each code is different and unique -
Technological advancements in
Computers(Ken back-1): It was the first personal computer, it held 256 bytes of data and had an 8-bit screen. It sold for $750 USD. First cell phone call: By Martin Cooper his 2 ½ pound cell phone was the size of a brick you could communicate for 35 minutes until the battery ran out. -
Technological advancements in
Walk Man: It is a brand of portable audio players made by Sony they used cassette tapes and wired headphones to play music. Cassette tape: Is a rectangular plastic box that holds metal tape and that tape can conduct electric signals that produce the sounds. -
Technological advancements in
DVDs: A disc that can store any kind of digital data from movies to photos, It can hold up to 4.7 GB of storage, it is still used today. Amazon: amazon is still used today in fact it is probably the most popular market app ever, you can purchase items online and have them shipped to your front door. -
Technological advancements in
Bluetooth: Bluetooth is a wireless way of short-range connection, it uses radio waves to communicate with a Bluetooth chip in compatible devices. USB drive: also known as a thumb drive or memory stick uses HDMI imports and can hold small amounts of data so you can transfer files safely and fast. -
Technological advancements in
The iPad: A touchscreen tablet that uses wifi and Bluetooth technology. It was the first big step into touchscreen mobile devices. Artificial Intelligence: A combination of computer science and large data bases to try and create a human-like response or do things a human brain cant do as efficiently.