Plagues then and now: Blood, frogs and locusts are no match for the ravages of 2019
What would a modern-day Plague of Lice look like?
Researchers demonstrate flat lenses with focusing power that adjusts based on what the person is viewing.
Read More
Read Less
switchable liquid crystal diffractive lenses
Researchers at the University of Arizona have demonstrated eyeglass lenses, or what's called switchable liquid crystal diffractive lenses, that could potentially replace biofocals for far-sighted people. The flat lenses have focusing power that adjusts based on what the person is viewing.
Caption by: Bill Detwiler
Related Galleries
- 1 of 3
-
-
Mother's Day 2019: The best tech, gadgets and accessories for mom
Smart yoga mats, intelligent candles, and more can be picked up to make this Mother's Day extra special.
-
April Fools' Day roundup: The best and worst tech pranks on the web
Be careful what you believe on April 1st as jokes and pranks will flood the Internet today. Come back for updates as more pranks reveal themselves.
-
Last-minute tech gifts and gadgets for your Valentine
Chocolate and flowers are not the only options this Valentine's Day.
-
The best last-minute tech gifts, gadgets for your mom this Christmas
Tech-savvy moms might appreciate a useful, fun, or relaxing gadget over Christmas. Check out some of our top picks.
-
Black Friday 2018: The best deals in tech roundup
Over this week you can snap up some great deals in everything from PCs to gaming, smartphones, tablets, and more.
-
Black Friday 2018: The best deals in office tech, smart gadgets
Give your home office a reboot this holiday season with this selection of Black Friday deals.
Join Discussion