Tech
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Tech
Online ‘likes’ multiply themselves
Social media users swayed by previous ratings, researchers find when they randomly assign positive and negative votes.
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Tech
Hybrid race car of transistors debuts
A new transistor combines the essential features of high speed and low energy consumption.
By Andrew Grant -
Tech
Bandage-like patch dissolves to deliver medicine to skin
Flexible material gets drugs or vaccines into body painlessly.
By Meghan Rosen -
Computing
Forecasting by computer
Excerpt from the August 10, 1963, issue of Science News Letter.
By Science News -
Tech
Surgical tool smokes out cancer in seconds
Sniffing for telltale molecules, method analyzes tissue with every cut.
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Tech
Sound waves put levitation on the move
Technique transports nonmagnetic particles such as cells, water droplets and coffee grounds.
By Meghan Rosen -
Tech
What parents just don’t understand about online privacy
Not long ago, police and school officials in Old Saybrook, Conn., held a high school assembly on Internet safety. The purpose of the assembly, wrote New Haven Register reporter Susan Misur, was to make students aware of how public their photos, tweets and profiles are online. To make this point, the presentation included a slide […]
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Tech
Twisted light transmits more data
Spiral beams allow multiple information streams in one cable.
By Andrew Grant -
Tech
Eye chip sends signals to blind rats’ brains
When struck with light, retinal prostheses stimulate animals' visual cortices.
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Tech
Faster memory could accelerate computing
Experimental microchip improves reliability and speed of writing and reading data.
By Andrew Grant -
Tech
Highlights from the International Congress on Acoustics
Selections from the meeting held June 2-7 in Montreal include personal listening zones in cars and music of the body.
By Meghan Rosen -
Tech
Computer scientists grapple with how to manage the digital legacy of the departed
In April, Google added to its services an Inactive Account Manager, which lets you designate an heir who will control your Google data when you die. You choose a length of inactivity, and if your accounts are ever quiet for that long, Google will notify your heirs that they’ve inherited access to your Gmail correspondence, […]