Easy to assemble metal water rocket launcher with a 125 PSI safety valve. Rocket will NOT fly straight without an aerodynamic nose cone made from a second soda bottle and use only 1 cup (200 ml ...

build, and launch water bottle rockets, learning about propulsion and altitude calculation in the process. “Hopefully they're having a fun day, kind of learning about rocket launches and what ...

Water gets pushed down, bottle flies up. Done? Oh no! The first step into more sophistication is the aerodynamics. But honestly, if you make something vaguely rocket-shaped with fins, it’ll ...

Download the Water ... bottle? Look for air bubbles in the water when you pump. If no, make sure the valve can open to let air through from the pump. It may be damaged or screwed shut. If the ...

In the last of our five-part ‘Stories from Goma’ series, The New Times takes a closer look at the big picture, with a dive into what some have described as stark evidence of a mindboggling plan by DR ...

In the last of our five-part ‘Stories from Goma’ series, The New Times takes a closer look at the big picture, with a dive into what some have described as stark evidence of a mindboggling plan by DR ...

With more sliders, buttons, and checkboxes that you can shake a mole rat at, make sure you install this ... proudly displayed on the walls of the Red Rocket Garage. It is just for show, though ...

Eighth and ninth grade students worked in teams to design, build, and launch water bottle rockets, learning about propulsion and altitude calculation in the process. “Hopefully they're having a fun ...

Of course, whereas Dr. Goddard used a combustible fuel, for safety purposes we choose non-combustible water ... guidance on rocket design and safety, to hands-on assistance in acquiring materials, ...

Nerf blasters typically fire small foam darts or little foam balls. [Michael Pick] wanted to build something altogether more devastating. To that end, he created a rocket launcher with an advanced ...

The EZ-Launch bottle rocket launcher has an internal spring loaded release mechanism. that allows the user to lock the 2 liter bottle in place during the fill up phase and release the bottle with ...

Like many people, Carl Behnke regularly totes a water bottle around throughout his day to make sure he stays hydrated. From the office to the gym and back home again, Behnke is rarely without it.