A+14+0 | Weight on a vertical spring with markers on stand. | 2017-02-07 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2017-01-19 |
F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2017-04-25 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2017-03-16 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2017-03-21 |
A+35+20 | Three meter airtrack with gliders that rebound elastically, or stick. | 2017-03-07 |
A+25+15 | Rotational Inertia Wands | 2017-03-16 |
A+25+15 | Rotational Inertia Wands | 2017-03-21 |
A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2017-03-16 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2017-03-23 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2017-02-02 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2017-03-21 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2017-03-21 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2017-01-26 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2017-01-31 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2017-02-14 |
A+50+10 | Monkey and the hunter. | 2017-01-19 |
C+35+0 | Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display. | 2017-03-02 |
A+30+5 | Maxwell's wheel: Flywheel with axle, supported on strings or stand. | 2017-04-18 |
B+10+0 | Mass on a spring. | 2017-02-07 |
B+10+0 | Mass on a spring. | 2017-02-21 |
B+10+0 | Mass on a spring. | 2017-02-23 |
B+10+0 | Mass on a spring. | 2017-03-02 |
B+10+0 | Mass on a spring. | 2017-03-07 |
A+30+45 | Large gyroscope in a suitcase. | 2017-03-14 |
A+30+45 | Large gyroscope in a suitcase. | 2017-03-23 |
A+30+30 | Gyroscopes; various. | 2017-03-23 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2017-02-22 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2017-03-14 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2017-02-22 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2017-03-07 |
A+60+20 | Car hangs balanced by forces in mid-air over removable inclined plane. | 2017-01-31 |
A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2017-02-07 |
A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2017-02-09 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2017-01-24 |
A+50+35 | Ballistics car: Ball ejected from rolling car drops back in. | 2017-01-26 |
A+5+0 | Ball on string mounts on blackboard and pivots on lower rod. | 2017-02-21 |
A+5+0 | Ball on string mounts on blackboard and pivots on lower rod. | 2017-02-28 |
A+0+10 | Atwood machine: Unbalanced weights on a pulley accelerate slowly. | 2017-01-31 |
A+35+35 | Airtrack: Long track with two gliders coupled by a spring hoop. | 2017-02-14 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2017-01-18 |
A+0+0 | "Coin and Feather" fall in an evacuated rotatable tube. | 2017-01-17 |