This image shows how Eratosthenes estimated the circumference of the Earth by measuring the angle of a shadow in two cities.
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Phone: 888-527-6600
Fax: 703-673-1060
| Cookie | Duration | Description |
|---|---|---|
| __hssrc | session | This cookie is set by Hubspot whenever it changes the session cookie. The __hssrc cookie set to 1 indicates that the user has restarted the browser, and if the cookie does not exist, it is assumed to be a new session. |
| AWS Load Balancing | 7 days | This cookie is managed by Amazon Web Services and is used for load balancing. |
| cookielawinfo-checkbox-advertisement | 1 year | Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Advertisement" category . |
| cookielawinfo-checkbox-analytics | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics". |
| cookielawinfo-checkbox-functional | 11 months | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
| cookielawinfo-checkbox-necessary | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
| cookielawinfo-checkbox-others | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. |
| cookielawinfo-checkbox-performance | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
| Google Recaptcha | 5 months 27 days | This cookie is set by the Google recaptcha service to identify bots to protect the website against malicious spam attacks. |
| New Relic Analytics | session | The JSESSIONID cookie is used by New Relic to store a session identifier so that New Relic can monitor session counts for an application. |
| PHPSESSID | session | This cookie is native to PHP applications. The cookie is used to store and identify a users' unique session ID for the purpose of managing user session on the website. The cookie is a session cookies and is deleted when all the browser windows are closed. |
| viewed_cookie_policy | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |
| Cookie | Duration | Description |
|---|---|---|
| bcookie | 2 years | LinkedIn sets this cookie from LinkedIn share buttons and ad tags to recognize browser ID. |
| bscookie | 2 years | LinkedIn sets this cookie to store performed actions on the website. |
| CloudFlare Bot Management Support | 30 minutes | This cookie, set by Cloudflare, is used to support Cloudflare Bot Management. |
| HubSpot Support | 30 minutes | HubSpot sets this cookie to keep track of sessions and to determine if HubSpot should increment the session number and timestamps in the __hstc cookie. |
| lang | session | LinkedIn sets this cookie to remember a user's language setting. |
| lidc | 1 day | LinkedIn sets the lidc cookie to facilitate data center selection. |
| locale | 3 days | Facebook sets this cookie to enhance the user's browsing experience on the website, and to provide the user with relevant advertising while using Facebook’s social media platforms. |
| UserMatchHistory | 1 month | LinkedIn sets this cookie for LinkedIn Ads ID syncing. |
| Cookie | Duration | Description |
|---|---|---|
| AWS Support | 7 days | AWSALB is an application load balancer cookie set by Amazon Web Services to map the session to the target. |
| Cookie | Duration | Description |
|---|---|---|
| _ga | 2 years | The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors. |
| _gat_gtag_UA_3619365_1 | 1 minute | Set by Google to distinguish users. |
| _gcl_au | 3 months | Provided by Google Tag Manager to experiment advertisement efficiency of websites using their services. |
| _gid | 1 day | Installed by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously. |
| HubSpot Analytics | 5 months 27 days | This is the main cookie set by Hubspot, for tracking visitors. It contains the domain, initial timestamp (first visit), last timestamp (last visit), current timestamp (this visit), and session number (increments for each subsequent session). |
| HubSpot Tracking | 5 months 27 days | HubSpot sets this cookie to keep track of the visitors to the website. This cookie is passed to HubSpot on form submission and used when deduplicating contacts. |
| TypeForm Stats Support | 1 year | This cookie is set by Typeform for usage statistics and is used in context with the website's pop-up questionnaires and messengering. |
| YouTube Analytics | 2 years | YouTube sets this cookie via embedded youtube-videos and registers anonymous statistical data. |
| Cookie | Duration | Description |
|---|---|---|
| fr | 3 months | Facebook sets this cookie to show relevant advertisements to users by tracking user behaviour across the web, on sites that have Facebook pixel or Facebook social plugin. |
| Google Ad Support | 6 months | NID cookie, set by Google, is used for advertising purposes; to limit the number of times the user sees an ad, to mute unwanted ads, and to measure the effectiveness of ads. |
| personalization_id | 2 years | Twitter sets this cookie to integrate and share features for social media and also store information about how the user uses the website, for tracking and targeting. |
| test_cookie | 15 minutes | The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies. |
| YouTube Performance | 5 months 27 days | A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. |
| YouTube Preferences | never | YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. |
| YouTube Stats | never | This cookie, set by YouTube, registers a unique ID to store data on what videos from YouTube the user has seen. |
| YouTube Views Tracking | session | YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages. |
| yt-remote-connected-devices | never | YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. |
| yt.innertube::nextId | never | This cookie, set by YouTube, registers a unique ID to store data on what videos from YouTube the user has seen. |
| Cookie | Duration | Description |
|---|---|---|
| AnalyticsSyncHistory | 1 month | No description |
| AWSALBTG | 7 days | No description available. |
| AWSALBTGCORS | 7 days | No description available. |
| confcache | past | No description |
| debug | never | No description available. |
| embed[bg] | past | No description |
| embed[sidebaroff] | past | No description available. |
| embed[width] | 3 days | No description available. |
| iframe | 3 days | No description available. |
| lastday | 3 days | No description |
| li_gc | 2 years | No description |
| mobileoff | 3 days | No description available. |
| muc_ads | 2 years | No description |
| pageView | 3 days | No description available. |
| pubble_gen_uid | 1 year | No description available. |
| rl_anonymous_id | never | No description available. |
| rl_user_id | never | No description available. |
| SCHEDsession | session | No description |
| view | 3 days | No description available. |
