You can detect gravitational waves using just your body? WOW On 5 August 2014 15:30, Yigit Turgut wrote: > Bottom line is ; he is indirectly measuring the moment applied to the > device by his hands (: > > Crystal inside is a piezoelectric crystal and when stress is applied acro= ss > boundries of the structure there is a potential fluctuation across the > vertical axis or vice versa. What is being 'displayed' is a the > differential change in the clock of the frequency meter actually. > > There is no such concept as 'gravity field' as the video states and bunch > of other crap mentioned. There are gravitational waves and you need > something like a LIGO to measure that. It's 'possible' to see them in a l= ab > on Earth as well but this requires very special hardware, for example me. > > > On Tue, Aug 5, 2014 at 11:21 AM, wrote: > > > > > Just an FYI, if you're measuring "weight", that certainly does have > > something to do with gravity. > > What we call weight is the reaction our mass has in relation to > > gravity. For instance, if one > > weighed say 100 pounds on earth, that same person would only weigh > > about 11 pounds on the moon > > because the moons gravity is about 1/9th that of the earth. > > > > Regards, > > > > Jim > > > > > -------- Original Message -------- > > > Subject: Re: [EE] Dave on Gravity > > > From: Peter > > > Date: Tue, August 05, 2014 7:25 am > > > To: piclist@mit.edu > > > > > > > > > Sergey Dryga dryga.us> writes: > > > > Without knowing the details of the crystal configuration, the effec= t > > seems > > > > feasible enough. > > > > > > Gravity vector *orientation* caused crystal frequency changes are wel= l > > > documented by makers. Technically one is weighing the crystal in > various > > > configurations and not measuring "gravity" at all. I think that mr > > eevblog > > > should have mentioned the need to use at least a Rubidium clock as > > counter > > > reference when doing what he did. He must have started some new > movement > > > among the masses with that blog (which I did not watch). All clocks a= nd > > > watches also undergo the 2g "tipover" test for certification, among > other > > > things. Also some of the effects CAN be seen on decent equipment. > Here's > > a > > > writeup by Brooke Clarke who used to be on this list too: > > > > > > http://www.pacificsites.com/~brooke/I/timefreq.shtml > > > > > > (search for 'gravity' in that) > > > > > > -- Peter > > > > > > -- > > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > > View/change your membership options at > > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .