Inventions & Breakthroughs of April 1970
Gadgets, lab surprises, odd bets, and future-shocks from this slice of the calendar.
1 
Dynamic Random-Access Memory (DRAM)
2 
Pocket Calculator
3 
Optical Fiber Low-Loss Cable
4 
Video Cassette Recorder (VCR)
5 
Charge-Coupled Device Camera
6 
Microprocessor Architecture Concept
7 
Electronic Anti-Lock Braking System Concept
8 
Automated Blood Analyzer
9 
Electronic Music Synthesizer Expansion
10 
Digital Telephone Switching
The Sounds of
Popular recordings and roots/country selections associated with the year
HEADLINES ON April 12, 1970
Full News Archive
- Headline: Kirk Fined for Contempt of Court. Fact: This ruling highlighted the serious consequences individuals may face for contempt of court, illustrating the judiciary's commitment to maintaining order and compliance within the legal system..
- Headline: Charles Luce and Con Ed Challenges. Fact: During Luce's leadership, Con Ed faced a significant blackout in 1977, which tested the company’s crisis management strategies..
- Headline: New Refuse Device.
- Headline: Cars Are Ordered By Penn Central.
- Headline: Truman Greets Guests 25 Years After He Took Over Presidency.
- Headline: No, Joan's Not Jealous.
- Headline: Temper, temper, temper, temper, TEMPER!.
- Headline: John O'Hara Dead; Novelist Dissected Small‐Town Mores.
- Headline: Swigert, Under Pressure, Proved He Fitted in Well.
Wall Street Time Machine
The Right Call: If you'd invested $1,000 in any one of these companies in 1970, here's what the stored 2025 dataset estimates.
Rank #3
JNJ
Johnson & Johnson
Price in 1970
$0.36
2025 dataset value
$581,775
Johnson & Johnson - If you invested $1,000 in 1970, it would be worth $581,775 today (581.8x return)
🦸 Top 5 Comics
Green Lantern #76
$500
Conan the Barbarian #1
$1,200
Werewolf by Night #1
$528
Avengers #80
$150
The Amazing Spider-Man #85
$20
🧸 Top 5 Toys
Nerf Ball
$15.00
Spirograph
$150.00
Connect Four
$25.00
Light Brite
$150.00
Weebles
$75.00
⚾ Top 5 Trading Cards
Topps Nolan Ryan
$12,000
Topps Thurman Munson Rookie Card
$99,000
Topps Jerry West
$500,000
Topps Pete Maravich Rookie Card
$250,000
Topps Roberto Clemente
$250,000