The Roman Janus is bifacial.    From Wordnet, Princeton University. 

The company says the cells are less than 50 microns, or less than two-thousandths of an inch, making them the thinnest in production, and bifacial, meaning they can capture sun energy from both faces.    From Wordnik.com.  [daytondailynews.com - News] Reference

"Ranec's mother's people, the Aterians, make a spear point with bifacial retouch.".    From Wordnik.com.  [The Mammoth Hunters]

Microdrills for boring out beads, and fragments of carefully knapped bifacial knives also turned up.    From Wordnik.com.  [Interactive Dig Hierakonpolis - Narmer's Temple Week 1] Reference

The Mahaffy Cache consists of 83 stone implements ranging from salad plate-sized, elegantly crafted bifacial knives and a unique tool resembling a double-bitted ax to small blades and flint scraps.    From Wordnik.com.  [Archive 2009-03-01] Reference

Discovery of a fluted bifacial point at the site of Uptar in northeastern Siberia may force archaeologists to reconsider the origins of the Clovis point, a hallmark of the New World Paleoindian tradition.    From Wordnik.com.  [Siberian Fluted Point] Reference

Besides the ochre, some of the more spectacular finds at the cave over the past few years include the oldest known and dated bone tools in the world; the earliest known evidence for fishing in the world; and highly sophisticated bifacial spearheads or points made in fine-grained stone.    From Wordnik.com.  [ANC Daily News Briefing] Reference

The fluted bifacial spear point appears unique to North America.    From Wordnik.com.  [Earthfiles.com Articles] Reference

The gems of the Boulder cache are bifacial knives, carefully crafted, with two sharp edges.    From Wordnik.com. Reference

Sanyo's HIT bifacial solar panel in combination with low-cost, locally available wind power supply energy.    From Wordnik.com.  [Ecofriend] Reference

A Still Bay bifacial point from Blombos Cave made on silcrete and finished by pressure flaking, mainly at the tip.    From Wordnik.com.  [Reuters: Top News] Reference

The Mahaffy Cache ranges from salad plate-sized, elegantly crafted bifacial knives and a unique tool resembling a double-bitted axe to small blades and flint scraps.    From Wordnik.com.  [Horsetalk.co.nz Headlines] Reference

When this bifacial cell potential is fully exploited during design and manufacture of a bifacial module, the resulting module efficiency can be increased by as much as 30%.    From Wordnik.com.  [Aktuellste Pressemeldungen der PresseBox] Reference

The result preparation, however, is probably ple platforms and lack of preparation was the bifacial tradition that is rep - similar to that used in the production involved.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Also in SANYO's line-up is a product that has seeded architects and building owners across the U.S. with a little green inspiration - the HIT® Double, SANYO's bifacial offering.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

The Mahaffy Cache consists of 83 stone implements ranging from salad plate-sized, elegantly crafted bifacial knives and a unique tool resembling a double-bitted axe to small blades and flint scraps.    From Wordnik.com.  [CCNews] Reference

This project will develop various cell technologies - including a new bifacial, high-efficiency silicon cell that could be incorporated into systems solutions that can be demonstrated across the industry.    From Wordnik.com.  [U.S. Department of Energy - Press Releases] Reference

"This agreement between Prism and TSEC will support Prism's development of a high efficiency, bifacial cell technology that complements Prism's holographic planar concentrator which concentrates light onto solar cells," Cohen said.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

"SANYO's HIT Double glass-on-glass modules utilize the bifacial characteristics of HIT cells to generate up to 30% more energy from the panel's back-side, depending on mounting surface conditions," said Atlanta-based architect and SANYO customer.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

"SANYO's HIT Double glass-on-glass modules utilize the bifacial characteristics of HIT cells to generate up to 30% more energy from the panel's back-side, depending on mounting surface conditions," said Atlanta-based architect and SANYO customer Inman Solar co-founder.    From Wordnik.com.  [PRWeb - Daily News Feed] Reference

® (Heterojuncotin with Intrinsic Thin-layer) Double bifacial solar PV modules and DuROCK Tio-Coat reflective roof membrane at DuROCK Alfacing International Ltd. 's headquarters in Woodbridge.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference