Thought-provoking book set
The To Engineer is Human book will intrigue and educate you as to the role of failure in successful engineering designs. The Evolution of Useful Things book describes the fascinating history of every day artifacts from paperclips to zippers. 540 pages in all. A must-have collection for everyone with an inquiring mind.
Engineer/Evolution book set #7021 $29.99
Watch it in action at
ComputerGear.com/ executive-kinetic-motion-desk-toy
Executive kinetic motion desktop model adorns
and entertains Desktop amusement entertains for hours and demonstrates Newton’s concept of kinetic energy where every action has an equal but opposite reaction. Albert Einstein later used this insight to develop his Theory of Relativity. Approx. 7½" x 4 ½" x 6". Chromed plated steel balls and base adds panache to any desktop.
#9618 Executive Newton’s Cradle $49.99 entertainment
Desktop pendulum provides hours of fun
engineering
Age-old science discoveries make fascinating desktop toys
Distinctive sand timer counts down an hour
Radiometer converts solar energy into fun kinetic energy
Also known as an hourglass, the sand trickling through this hand-blown glass sand timer will mesmerize as it accurately counts down the hour. Invented in 1878 as a solar-powered engine, this German-made radiometer’s vanes rotate when exposed to light — the brighter the light, the faster it rotates. Each approx. 7" tall.
#8543 Executive Sand Timer $24.99 #8545 Executive Radiometer $59.99 #8560 Executive Timer & Radiometer Set $84.98 $79.99
SAVE $5.00 when you buy the set!
Fibonacci Math T-shirt
M, L, XL #1955 $18.99 (XXL $20.99)
COMPUTERGEAR EXCLUSIVE
Watch it in action at
ComputerGear.com/ executive-pendulum-desk-toy
You’ll enjoy creating mesmerizing patterns in the sand as this pendulum demonstrates the properties of the pendulum discovered by Galileo. Swing the pendulum and watch as friction causes the pendulum to draw unique patterns in the sand, included. Approx. 5" x 7 ½". Chrome plated steel design adds style to any desk top.
#9625 Executive Pendulum $49.99 10
Opposites Attract
T-shirt M, L, XL #1304 $18.99 (XXL $20.99)
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