Trial by combat of wits in disputations has no attraction for the seeker after truth; to him the appeal to experiment is the last and only test of the merit of an opinion conjecture or hypotheses. - Joseph Mellor 1869 to 1938 Chemist
Trial by combat of wits in disputations has no attraction for the seeker after truth; to him the appeal to experiment is the last and only test of the merit of an opinion conjecture or hypotheses. ~ Joseph Mellor - 1869 to 1938
Ibn al-Shatir (1304–1375) Syria – "jewel box" device which combined a compass with a universal sundial.
Niklaus Riggenbach (1817–1899) Switzerland – Riggenbach rack railway system Counter-pressure brake.
Nikolay Ivanovich Pirogov (1810–1881) Russia – early use of ether as anaesthetic first anaesthesia in a field operation various kinds of surgical operations.
George H. Heilmeier (born 1936) USA – liquid crystal display (LCD).
Jules Montenier (1895–1962) USA – modern anti-perspirant deodorant.
George Westinghouse (1846–1914) USA – Air brake (rail).
Ida Rosenthal (1886–1973) Belarus/Russia/United States – modern bra (Maidenform) the standard of cup sizes nursing bra full-figured bra the first seamed uplift bra (all with her husband William).
Lev Artsimovich (1909–1973) Russia – tokamak.
Ronald Price Hickman (1932–2011) USA - designed the original Lotus Elan the Lotus Elan +2 and the Lotus Europa as well as the Black & Decker Workmate.
David Schwarz (1852–1897) Croatia – rigid ship later called Zeppelin.
Vladimir Syromyatnikov (1933–2006) Russia – Androgynous Peripheral Attach System and other spacecraft docking mechanisms.
John Fowler (1826–1864) UK – steam-driven ploughing engine.
Oleg Losev (1903–1942) Russia – light-emitting diode crystadine.
Sylvester Marsh (1803–1884) USA – Marsh rack railway system.
David Boggs (born 1950) USA – Ethernet.
Alfred Traeger (1895–1980) Australia – Pedal radio.
Samuel W. Alderson (1914–2005) USA – Crash test dummy.
Sam Golden (1915–1997) together with Leonard Bocour (1910–1993) USA – Acrylic paint.
Bi Sheng (Chinese: 畢昇) (c. 990–1051) China – clay movable type printing.
Fritz Pfleumer (1881–1945) Germany – magnetic tape.
I saw that people trying to synthesize gold and silver were working in ignorance and by false methods; I then perceived that they belonged to two classes the dupers and the duped. I pitied both of them. ~ Geber c. 712 – c. 815 AD
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
An experiment is a question which science poses to Nature and a measurement is the recording of Nature’s answer. - Max Planck 1858 to 1947 Theoretical Physicist
Time is the best appraiser of scientific work and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor. ~ Louis Pasteur - 1822 to 1895
I am not insensible of the advantage which accrues to Applied Mathematics from the co-operation of the Pure Mathematician and this co-operation is not infrequently called forth by the very imperfections of writers on Applied Mathematics. ~ Ronald Fisher 1890 – 1962 - Mathematician Statistician Evolutionary Biologist
There is no law except the law that there is no law. - John Archibald Wheeler 1911 to 2008 Theoretical Physicist
God created two acts of folly. First He created the Universe in a Big Bang. Second He was negligent enough to leave behind evidence for this act in the form of microwave radiation. - Paul Erdős 1913 to 1996 Mathematician
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- $5 Preloaded 30-Day wireless service at 2¢ per VOICE TEXT & 2¢/MB nationwide 2G 3G & 4G LTE Data. That's 250 minutes talk or 250 texts or 250 MB Data.
- Our prepaid sim cards are designed for users that need a minimal amount of airtime each month/year. Sim card is free and pre-cut in 3 sizes to fit any device, standard-sized SIM, Micro-sized SIM or/and a Nano-sized SIM card.
- Supports GPS tracking devices such as but not limited to vehicle trackers, kid/pets tracker, personal tracker, senior tracker.
- No Activation fee NO Contract NO Credit Check.
- Our service will work within the United States in partnership with T-Mobile Network. Roaming is not supported in our plans.
- Control any plug in device from anywhere and keep an eye on your device's energy usage using the Geeni app (iOS 8 or higher/Android 4.1 or higher)
- No hub required, Wi-Fi built-in
- Set your schedule and automatically tailor your plugged in devices to perfectly fit your life
- Save money, energy and the environment
- Voice control with Amazon Alexa & Google assistant
- Powerful function :pedometer, distance, calorimetric measurement, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring, SMS and content alerts, alarm settings, incoming calls alert, caller ID display, application messages alert, find your phone, anti lost, reminder of exercise goal.
- Methods: scan the QR code on the manual or download "Wearfit" in APP store. Please make sure your phone Bluetooth function was turned on. Open "Wearfit", click the selection of link to bracelet, find the device name in the list and click it. Then enter the main interface. The "wearfit" app is compatible with Bluetooth 4 and above smart phones, iOS version 8 above, or Android version 4.4 above.
- To measure heart rate, blood pressure and oxygen, it need to wait for 1-2 minutes. The measurements are for reference only, as it's not a medical device after all.
- The bracelet is made of special silicone, comfortable for wearing, suitable for 5.5-8 inch various sizes of wrist. 80mA lithium battery, charging 1.5 hours about 5 days of standby time.
- Waterproof: waterproof grade IP67, can effectively prevent the rainwater, sweat, and prevent dust.