The invention of logarithms came to the world as a bolt from the blue. No previous work had led up to it… It stands isolated breaking in upon human thought abruptly without borrowing from the work of other intellects or following known lines of mathematical thought. ~ John Moulton 1844 – 1921 - Mathematician
Physics is littered with the corpses of dead unified field theories. ~ Freeman Dyson b. 1923
Motorins Ivan Feodorovich (1660s–1735) and his son Mikhail Ivanovich (?–1750) Russia – Tsar Bell.
Elijah McCoy (1843–1929) Canada – Displacement lubricator.
Pyotr Kapitsa (1894–1984) Russia – first ultrastrong magnetic field creating techniques basic low-temperature physics inventions.
Yoshiyuki Sankai (c. 1957–) Japan – Robotic exoskeleton for motion support (medicine).
Peter Petroff (1919–2004) Bulgaria – digital wrist watch heart monitor weather instruments.
Joseph Day (1855–1946) UK – the crankcase-compression two-stroke engine.
Neil Arnott (1788–1874) UK – waterbed.
Su Song (1020–1101) China – first chain drive.
William Lee (1563–1614) UK – Stocking frame knitting machine.
Chester Greenwood (1858–1937) USA – thermal earmuffs.
Nikola Tesla (1856–1943) Croatia/Serbia – induction motor high-voltage / high-frequency power experiments the transmission of electrical power.
Henry Shrapnel (1761–1842) UK – Shrapnel shell ammunition.
Cai Lun 蔡倫 (50–121 AD) China – paper.
Henry Heimlich (born 1920) USA – Heimlich maneuver.
Gustaf Erik Pasch (1788–1862) Sweden – safety match.
Donát Bánki (1859–1922) Hungary – inventor of the carburetor for the stationary engine.
Ephraim Hertzano (around 1950) Roumania / Israel – Rummikub.
Granville Woods (1856–1910) USA – the Synchronous Multiplex Railway Telegraph.
Ruth Handler (1916–2002) USA – Barbie doll.
Pavel Molchanov (1893–1941) Russia – radiosonde.
No two electrons in the same state? That is why atoms are so unnecessarily big and why metal and stone are so bulky. (Explaining that atoms are as large as they are because of Wolfgang Pauli’s Principle.) ~ Paul Ehrenfest 1880 – 1933
But though the professed aim of all scientific work is to unravel the secrets of nature it has another effect not less valuable on the mind of the worker. It leaves him in possession of methods which nothing but scientific work could have led him to invent. ~ James Clerk Maxwell 1831 to 1879
Understanding the history of matter and searching for its most interesting forms such as galaxies stars planets and life seems a suitable use for our intelligence. - Robert Kirshner 1949 to present Astronomer
Valid criticism does you a favor. - Carl Sagan 1934 to 1996 Astronomer
All of physics is either impossible or trivial. It is impossible until you understand it and then it becomes trivial. ~ Ernest Rutherford 1871 to 1937
Mathematics is the language in which the gods speak to people. ~ Plato c. 427 BC – c. 347 BC - Mathematician and Philosopher
It is a platitude that pure mathematics can have unexpected consequences and affect even daily life. ~ J.E. Littlewood 1885 – 1977 - Mathematician
- Main Function:G18 is merely gsm alarm system,G183 update version work with 3G gsm sim card DIY home security alarm system,which can either work in standalone mode without sim card or a standard size sim card(not micro and nano) to call/text up to 6 phone numbers via cellular network,AT&T,T-mobile sim card recommend.As 2G will be no longer available in the USA in 2019,AT&T has already shut off 2G service in 2017.3G alarm system more reliable than the wifi one in case of the internet failure.
- APP Control burglar system:First download app(search "G18 alarm system" at google or iphone app store) free and register an account,insert a sim card to alarm keypad,remote control the security system by text in APP on your smartphone from anywhere at anytime.PIR motion sensor detect any suspicious movement or activity,Door/window sensor detect any forceful break-in.When detectors are triggered,the alarm host will receive the alarm alert meantime call your phone,disarm it by app/sms/call
- Brief Description:This is an indoor basic security alarm system kit complete with fully programmable main unit and sensors,can be used directly after unplugging insulation sheet to protect home,office,shop apartment,business;DIY supportable 99 wireless zones up to 150 remote key fobs and 150 sensors,add more sensors as detailed need such as gas detector,water leaking sensor to provide all-around reliable protection.Additional Sensors can be find in our shop or we can customize the kits for you.
- Humanized Design: Easy operation with TFT color touch screen,voice prompt design during setting;Built in 3.7V 800mAh rechargeable lithium battery that can last about 6-8 hours with full power, it will change to use battery to work in the case of power failure, just make sure that switch is on. Other useable features such as arming delay, keypad lock, timing arming etc.
- Customer Service: 12-month warranty, professional technical support and friendly responsive customer service within 24 hours. If you have any questions, welcome to contact us via amazon emails or seach "KERUI G183 security alarm system introduction" on youtube.
- ALL-IN-ONE HOME AUTOMATION: Make your house a smart home in minutes, one room at a time. Simply replace your Dual Switch (double gang) light switch with NuBryte Touchpoint. Connect & Protect, from any NuBryte console, or remotely via Nubryte APP.
- HOME SECURITY: Detract and deter with 100 decibel siren and flashing overhead lights. Instant video alerts to your phone when triggered (with NuBryte APP). Built-in wide-angle camera and advanced motion detection up to 30'. No Contracts/Monthly Fees.
- SMART LIGHTING: Touch-Free light control, and 5 easy-to-use lighting automation and digital dimming modes. Motion-based on/off, Morning Wake Up, Bedtime dimmer, Night light and Vacation lights. Works with standard dimmable bulbs.
- INTERCOM: Combine 2 or more Touchpoint consoles for an instant home intercom system. (WiFi)
- FAMILY HUB: Indoor/Outdoor Temperature & Humidity, 5-Day Weather Forecast, Calendar, Notifications and Event Alerts, Energy Monitoring, and more! Now, with Amazon Alexa voice control with Echo, Dot, and Tap!
- Updated 2015 Model with Newest Firmware and Software
- Wifi Connectivity for Remote and Monitoring Options (Requires Monthly Fee)
- Zwave ready for Control of Lights, Door locks, Thermostats and Garage Doors
- Award Winning Technology and Design
- Includes: (3) 5816 Door/Window Transmitters, (1) 5834-4 Four-Button Wireless Keyfob (1) 5800 Pir-Res Wireless Motion Detector (1) Wifi Module (1) Zwave Module (1) 4gl GSM Cellular module