Scientists Make Ink Disappear, Make Paper Reusable

(PhysOrg.com) -- Despite ongoing efforts to save the trees, many offices print high volumes of paper documents on a daily basis. Although many companies encourage paper recycling, both disposing of and recycling paper have ...

New printer creates extremely realistic colorful holograms

Researchers have developed a new printer that produces digital 3-D holograms with an unprecedented level of detail and realistic color. The new printer could be used to make high-resolution color recreations of objects or ...

Inkjet, laser, Memjet? Fast color printers on tap

(AP) -- For a long time, the two choices in desktop printers have been inkjet and laser. This year, a significant twist on the inkjet is hitting the market and promises high speed - think one color page per second - at relatively ...

Semiconductor scientists discover effect that was thought impossible

A physical effect known as superinjection underlies modern light-emitting diodes (LEDs) and lasers. For decades this effect was believed to occur only in semiconductor heterostructures—that is, structures composed of two ...

Miracle light: Can lasers solve the energy crisis?

Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...

The Shrinky Dink solution

Toys don't usually inspire high-tech innovation, but Michelle Khine's childhood favorite did just that.

Monitoring food with millimeter waves

Has the packet been properly filled? Are there impurities in the chocolate? Have the plastic seams been welded correctly? Is there a knife hidden in the parcel? Answers to all these questions are provided by SAMMI, short ...

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