Keep track of your home or office comfort levels with this handy combination thermometer and hygrometer. When the crossed needles line up with the black region on the display, heat and humidity are ideally balanced. A magnetic case allows it to be mounted on your fridge or other similar surface.
A special edition of the Haynes Apollo 13 Manual, to coincide with the 50th Anniversary of the Moon mission April 1970 which very nearly ended in catastrophe. The special edition includes an expanded look at what was learned from the investigation, and how these lessons...
Celebrate women working and achieving in STEM with this brilliant pin. Part of our Badges of Honour range. Enameled blue metal badge. Measures approx 3 cm long.
This book features 100 real astronaut tests and exercises from the European Space Agency’s highly rigorous selection process, ranging from easy to fiendishly hard, Includes puzzles and tests on:· visual perception and logic· mental arithmetic and concentration· psychological readiness· teamwork and leadership· survival, physical and...
Tesla’s original patent application for the use of his famous coil to transmit electricity wirelessly. This amazing device is a radio frequency oscillator that drives an air-core double-tuned resonant transformer to produce high voltages at low currents. Also available in other styles and shapes. 100% cotton....