By Jim Wiese
Dig into the technological know-how of precedent days and unearth notable discoveries!
* have you puzzled the place paper comes from, who made the 1st identified maps, or how the traditional Egyptians have been capable of construct the pyramids?
* do you want to make your personal sundial, become aware of tips to discover earthquakes, or learn how to write in hieroglyphics?
* Are you trying to find nice principles to your subsequent technology reasonable undertaking?
in the event you spoke back "Yes" to any of those questions, then old technological know-how is for you! From Greek lighthouses and Roman bridges to chinese language kites and Mesopotamian cleaning soap, you are going to examine many of the maximum clinical discoveries and the folks who brought them to the area. Dozens of fun-packed actions assist you see for your self how the earliest people cultivated crops, why tools make assorted sounds, how fireworks get their explosive energy, and masses extra. all the tasks are secure and simple to do, and all you wish is daily stuff from round the condo. So step again in time and take an grand trip with old technology!
By Christine Nöstlinger, Visit Amazon's Trixi Schneefuß Page, search results, Learn about Author Central, Trixi Schneefuß,
Christine Nöstlingers neuer Roman trifft mitten ins Herz
Glatze und Loretta, kann daraus was once werden? Hier der schweigsame Typ, der sich aus purer Sturheit wöchentlich seine Glatze neu schert. Da die quirlige angehende Zirkusprinzessin, die notgedrungen zu viele Grenzen überschreitet. Dann ist da auch noch Locke, die Verwirrung stiftet. Eine Dreiecksliebe ohne Zukunft, sollte guy meinen. Aber, wie gesagt: Glatze ist ein sturer Bock ...
Die traurige und zarte, wunderbar hoffnungsvolle Liebesgeschichte von Glatze und Loretta überrascht durch einen völlig neuen Ton und setzt
einen Meilenstein in Christine Nöstlingers umfangreichem Schaffen.
"Wenn dir das Schicksal eine Liebe aufhalst, bist du dagegen machtlos, da brauchst du gar nicht versuchen, dich zu wehren!
Du musst es hinnehmen!" ... Es ist schwer zu glauben, dass einer wie Glatze, der nicht gern redet, und schon gar nicht über so Gefühlskram, das gesagt haben soll. Und da es die Loretta mit der Wahrheit nie hundertprozentig genau genommen hat, könnte es leicht sein, dass sie es erfunden hat. used to be aber nicht heißen muss, dass es falsch ist."
By Mick McArt
Dilly and Dally are identified for now not getting issues performed thoroughly, and an upcoming rainstorm goes to check their foundations. Will the aid of their noisy good friend Hubbub be sufficient? Or will this demand an immense answer?
By Sean M. Grady, Ph.d. Kirkland Kyle
The strength of sunshine includes a lot of the world's details from one position to a different. Surgeons, dentists, dermatologists, and different doctors use mild in its a variety of varieties to heal or fix the physique. company and depend on optical scanners and "electric eye" detectors to watch creation caliber, hold safeguard, and hold music of revenues and stock. easy electrical indicators market it services and products and high-tech bundles of hair-thin glass fibers ship voices and information worldwide. All this and extra is completed with the ability of sunshine. Optics is among the basic disciplines that has pushed the technological and communications revolutions of the twentieth century, and it actually defines what the realm feels like this day. Optics, a brand new quantity within the technological know-how and know-how in concentration sequence, presents an summary of the speculation of sunshine because it stands this present day, in language that scholars will locate either fascinating and easy-to-follow.
Covering the background of optics as a technology and as a know-how, in addition to displaying the ways that mild has been placed to paintings as a device, this ebook discusses 3 of the good triumphs of optical physics within the twentieth century intimately - the production of laser gentle; the improvement of fiber optics and optical-based conversation; and the development in the direction of optical computing, that's noticeable through many laptop specialists because the subsequent nice section in info know-how.
By Joe Giorello
This is often the second one publication within the nice Battles sequence that takes younger readers on to historys most important fights. instead of dry lists of dates and occasions, nice Battles places younger readers «in the fight,» displaying them which guns, ideas, and army leaders made up our minds victory, or defeat. After studying the explicit information about warfare from boots and bayonets to bullets and bombs readers will unexpectedly see background with clean eyes and a renewed interest. And, with no figuring out it, in addition they research significant quantities of geography and global background.