X4 flash memory chips can store four bits per memory cell instead of the two bits per cell of conventional chips. Thanks to the extra bits, a memory card of any given capacity should be 20 to 30 percent less expensive.
Credit: Joshua Scott
Products: X4 Flash Memory
Cost: $10 to $200, depending on capacity and retailer pricing
Subscribe to Continue Reading
Uh oh–you've read all five of your free articles for this month.
Insider Online Only
$19.95/yr US PRICE
Most of India Still Isn’t Online—Here’s Google’s Plan to Fix That
Google is testing new initiatives to boost Internet access in India that could prove useful everywhere.
The Best of the Physics arXiv (week ending September 24, 2016)
This week’s most thought-provoking papers from the Physics arXiv.
Single Photon Carries 10 Bits of Information
Physicists have smashed the record for the amount of information a single photon can carry. Their experiment has immediate implications for quantum cryptography.