Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...

imple machines help us change the amount of force or the direction of the force needed to move an object. Find out how by learning more about levers. Major Funding by the Laura Moore Cunningham ...

What: Six Simple Machines exhibit at the Warren County Historical Society Where: 105 S. Broadway, Lebanon When: 10 a.m. to 4 p.m., Tuesdays-Saturdays Cost: $5 for adults, $3.50 for students under 18 ...

Rube Goldberg (1883–1970) was born in an era defined by massive technological upheaval. But where others recoiled at the march of progress, Goldberg saw “the funny,” writes Thimmesh in lucidly ...

Dominoes topple, marbles roll, and everyday objects transform into extraordinary chain reactions under the guidance of award-winning children's author Catherine Thimmesh, who brings the captivating ...