activity:science-fair
activity:science-fair


Author Comment Last activity Moderation
sciencetoolbar "Hello ! - the website page It will be available in a few days ( a small hosting problem.... ) I am looking forward to improve the eficiency of the ..." | Read more » almost 6 years ago
Bronwen "Hi @sciencetoolbar , I noticed that the webpage you've linked to in a few of your posts is no longer active. I think folks would be interested in l..." | Read more » almost 6 years ago
34zhijian "Hi, how does one download the data in the appendix? Thanks! " | Read more » about 6 years ago
warren "We'd love to see a photo of your final build! Thanks for sharing!!! " | Read more » about 6 years ago
warren "I love this! It's so great!!! Tell us how the fair goes! " | Read more » over 6 years ago
warren "@warren awards a barnstar to RoRo for their awesome contribution! " | Read more » over 6 years ago
warren "Love this! Thank you, Paz! " | Read more » almost 7 years ago
warren "@warren awards a barnstar to pazb for their awesome contribution! " | Read more » almost 7 years ago
warren "Great question -- I used tags to add the prompt for posting replications; if you're willing, would you mind posting your results using the button a..." | Read more » over 7 years ago
cfastie "You are correct that this is not really an extraction. It's just plant material chopped up finely in a blender with some liquid. I also did this wi..." | Read more » over 7 years ago
iamkat "Hi, I tried to re-create the lycopene extraction with methanol and ethanol (lab grade) but didn't get anywhere. It's my understanding that they are..." | Read more » over 7 years ago
shanlter "Thanks @Liz, last year, there's a big scandal on gutter oil in Taiwan. https://en.wikipedia.org/wiki/2014_Taiwan_food_scandal " | Read more » over 8 years ago
liz "Hi @ygzstc, i heard from Li Zhou and He Shan in Guangzhou who asked me to pass along a question about detecting "recycled" food oil, AKA used resta..." | Read more » over 8 years ago
kgradow1 "Listed! " | Read more » over 8 years ago
liz "Thank you for this incredible documentation! Do you have a list of what you purchased from the Science Company? I bet other people would like to re..." | Read more » over 8 years ago
stoft "Good observations -- but why use a CFL which has poor SNR for wide-band averaging because the spikes prevent using higher light intensities for bro..." | Read more » almost 10 years ago
ygzstc "Thanks a lot Jeff! " | Read more » almost 10 years ago
warren "I think i found the data on Yagiz's Spectral Workbench profile, and I made a set: https://spectralworkbench.org/sets/show/1369 Embeds don't seem t..." | Read more » almost 10 years ago
straylight "ah yes, good thinking. well done again on your work, a very well written research note as well. stu " | Read more » almost 10 years ago
ygzstc "Thanks Stu... I just wanted to see if added sugar is detectable first. If yes, you can may be measure the sugar levels during wine making process a..." | Read more » almost 10 years ago
straylight "A rather nice exercise, well done. Quite surprising results I think, I would have predicted the extra sugar to have had minimal effect on the trans..." | Read more » almost 10 years ago
btbonval "I just saw an article about detecting if a drink has been drugged: http://www.gadgetify.com/pd-id-tells-drink-drugged/ How much sugar is in wine? ..." | Read more » almost 10 years ago
warren "Oh I was just hoping for links to the raw data you collected. " | Read more » almost 10 years ago
ygzstc "Info about the spectra is in the appendix already but I guess you mean something different by linking? Am I missing something? " | Read more » almost 10 years ago